Home / 487,156,130.70-730,734,196.05-383,844,000.30

Finding the Fourth Proportional to 487,156,130.70, 730,734,196.05 and 383,844,000.30

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Solution

The fourth proportional to 487,156,130.70, 730,734,196.05 and 383,844,000.30 is: 575,766,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,156,130.70 : 730,734,196.05 = 383,844,000.30 : x
  2. Step 2: Convert to fraction form
    487,156,130.70/730,734,196.05 = 383,844,000.30/x
  3. Step 3: Cross multiply
    487,156,130.70x = 730,734,196.05 × 383,844,000.30
  4. Step 4: Simplify right side
    487,156,130.70x = 280,487,936,967,836,448
  5. Step 5: Solve for x
    x = 280,487,936,967,836,448/487,156,130.70
  6. Step 6: Final answer
    x = 575,766,000.45

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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.