Home / 475,092,392.55-712,638,588.83-242,640,099.15

Finding the Fourth Proportional to 475,092,392.55, 712,638,588.83 and 242,640,099.15

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Solution

The fourth proportional to 475,092,392.55, 712,638,588.83 and 242,640,099.15 is: 363,960,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,092,392.55 : 712,638,588.83 = 242,640,099.15 : x
  2. Step 2: Convert to fraction form
    475,092,392.55/712,638,588.83 = 242,640,099.15/x
  3. Step 3: Cross multiply
    475,092,392.55x = 712,638,588.83 × 242,640,099.15
  4. Step 4: Simplify right side
    475,092,392.55x = 172,914,697,850,614,112
  5. Step 5: Solve for x
    x = 172,914,697,850,614,112/475,092,392.55
  6. Step 6: Final answer
    x = 363,960,148.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.