Home / 31,455,097,931.69-43,408,033,485.40-16,987,191,493.49

Finding the Fourth Proportional to 31,455,097,931.69, 43,408,033,485.40 and 16,987,191,493.49

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Solution

The fourth proportional to 31,455,097,931.69, 43,408,033,485.40 and 16,987,191,493.49 is: 23,442,323,364.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,097,931.69 : 43,408,033,485.40 = 16,987,191,493.49 : x
  2. Step 2: Convert to fraction form
    31,455,097,931.69/43,408,033,485.40 = 16,987,191,493.49/x
  3. Step 3: Cross multiply
    31,455,097,931.69x = 43,408,033,485.40 × 16,987,191,493.49
  4. Step 4: Simplify right side
    31,455,097,931.69x = 737,380,577,172,315,963,392
  5. Step 5: Solve for x
    x = 737,380,577,172,315,963,392/31,455,097,931.69
  6. Step 6: Final answer
    x = 23,442,323,364.36

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Half scale
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Double scale
Find fourth proportional to 31,455,097,932.69, 43,408,033,486.78 and 16,987,191,494.49
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.