Home / 655,318,846.79-904,339,973.79-353,904,132.98

Finding the Fourth Proportional to 655,318,846.79, 904,339,973.79 and 353,904,132.98

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Solution

The fourth proportional to 655,318,846.79, 904,339,973.79 and 353,904,132.98 is: 488,387,684.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,318,846.79 : 904,339,973.79 = 353,904,132.98 : x
  2. Step 2: Convert to fraction form
    655,318,846.79/904,339,973.79 = 353,904,132.98/x
  3. Step 3: Cross multiply
    655,318,846.79x = 904,339,973.79 × 353,904,132.98
  4. Step 4: Simplify right side
    655,318,846.79x = 320,049,654,338,784,192
  5. Step 5: Solve for x
    x = 320,049,654,338,784,192/655,318,846.79
  6. Step 6: Final answer
    x = 488,387,684.73

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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.