Home / 31,455,097,930.69-43,408,033,484.02-16,987,191,492.49

Finding the Fourth Proportional to 31,455,097,930.69, 43,408,033,484.02 and 16,987,191,492.49

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Solution

The fourth proportional to 31,455,097,930.69, 43,408,033,484.02 and 16,987,191,492.49 is: 23,442,323,362.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,097,930.69 : 43,408,033,484.02 = 16,987,191,492.49 : x
  2. Step 2: Convert to fraction form
    31,455,097,930.69/43,408,033,484.02 = 16,987,191,492.49/x
  3. Step 3: Cross multiply
    31,455,097,930.69x = 43,408,033,484.02 × 16,987,191,492.49
  4. Step 4: Simplify right side
    31,455,097,930.69x = 737,380,577,105,310,908,416
  5. Step 5: Solve for x
    x = 737,380,577,105,310,908,416/31,455,097,930.69
  6. Step 6: Final answer
    x = 23,442,323,362.98

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Double scale
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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.