Home / 655,318,801.83-904,339,911.77-353,904,088.02

Finding the Fourth Proportional to 655,318,801.83, 904,339,911.77 and 353,904,088.02

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Solution

The fourth proportional to 655,318,801.83, 904,339,911.77 and 353,904,088.02 is: 488,387,622.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,318,801.83 : 904,339,911.77 = 353,904,088.02 : x
  2. Step 2: Convert to fraction form
    655,318,801.83/904,339,911.77 = 353,904,088.02/x
  3. Step 3: Cross multiply
    655,318,801.83x = 904,339,911.77 × 353,904,088.02
  4. Step 4: Simplify right side
    655,318,801.83x = 320,049,591,733,279,552
  5. Step 5: Solve for x
    x = 320,049,591,733,279,552/655,318,801.83
  6. Step 6: Final answer
    x = 488,387,622.70

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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.