Home / 879,404,132.40-1,319,703,395.40-491,226,212.40

Finding the Fourth Proportional to 879,404,132.40, 1,319,703,395.40 and 491,226,212.40

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Solution

The fourth proportional to 879,404,132.40, 1,319,703,395.40 and 491,226,212.40 is: 737,172,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,404,132.40 : 1,319,703,395.40 = 491,226,212.40 : x
  2. Step 2: Convert to fraction form
    879,404,132.40/1,319,703,395.40 = 491,226,212.40/x
  3. Step 3: Cross multiply
    879,404,132.40x = 1,319,703,395.40 × 491,226,212.40
  4. Step 4: Simplify right side
    879,404,132.40x = 648,272,900,413,761,536
  5. Step 5: Solve for x
    x = 648,272,900,413,761,536/879,404,132.40
  6. Step 6: Final answer
    x = 737,172,906.66

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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.