Home / 31,455,097,925.70-43,408,033,477.17-16,987,191,487.53

Finding the Fourth Proportional to 31,455,097,925.70, 43,408,033,477.17 and 16,987,191,487.53

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Solution

The fourth proportional to 31,455,097,925.70, 43,408,033,477.17 and 16,987,191,487.53 is: 23,442,323,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,097,925.70 : 43,408,033,477.17 = 16,987,191,487.53 : x
  2. Step 2: Convert to fraction form
    31,455,097,925.70/43,408,033,477.17 = 16,987,191,487.53/x
  3. Step 3: Cross multiply
    31,455,097,925.70x = 43,408,033,477.17 × 16,987,191,487.53
  4. Step 4: Simplify right side
    31,455,097,925.70x = 737,380,576,773,625,741,312
  5. Step 5: Solve for x
    x = 737,380,576,773,625,741,312/31,455,097,925.70
  6. Step 6: Final answer
    x = 23,442,323,356.15

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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.