Home / 605,448,001.60-908,172,002.40-299,337,985.60

Finding the Fourth Proportional to 605,448,001.60, 908,172,002.40 and 299,337,985.60

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Solution

The fourth proportional to 605,448,001.60, 908,172,002.40 and 299,337,985.60 is: 449,006,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,448,001.60 : 908,172,002.40 = 299,337,985.60 : x
  2. Step 2: Convert to fraction form
    605,448,001.60/908,172,002.40 = 299,337,985.60/x
  3. Step 3: Cross multiply
    605,448,001.60x = 908,172,002.40 × 299,337,985.60
  4. Step 4: Simplify right side
    605,448,001.60x = 271,850,377,776,734,368
  5. Step 5: Solve for x
    x = 271,850,377,776,734,368/605,448,001.60
  6. Step 6: Final answer
    x = 449,006,978.40

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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.