Home / 436,752,354.70-655,128,532.05-403,495,957.90

Finding the Fourth Proportional to 436,752,354.70, 655,128,532.05 and 403,495,957.90

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Solution

The fourth proportional to 436,752,354.70, 655,128,532.05 and 403,495,957.90 is: 605,243,936.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,752,354.70 : 655,128,532.05 = 403,495,957.90 : x
  2. Step 2: Convert to fraction form
    436,752,354.70/655,128,532.05 = 403,495,957.90/x
  3. Step 3: Cross multiply
    436,752,354.70x = 655,128,532.05 × 403,495,957.90
  4. Step 4: Simplify right side
    436,752,354.70x = 264,341,714,587,135,552
  5. Step 5: Solve for x
    x = 264,341,714,587,135,552/436,752,354.70
  6. Step 6: Final answer
    x = 605,243,936.85

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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.