Home / 480,048,088.30-720,072,132.45-472,395,337.90

Finding the Fourth Proportional to 480,048,088.30, 720,072,132.45 and 472,395,337.90

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Solution

The fourth proportional to 480,048,088.30, 720,072,132.45 and 472,395,337.90 is: 708,593,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,048,088.30 : 720,072,132.45 = 472,395,337.90 : x
  2. Step 2: Convert to fraction form
    480,048,088.30/720,072,132.45 = 472,395,337.90/x
  3. Step 3: Cross multiply
    480,048,088.30x = 720,072,132.45 × 472,395,337.90
  4. Step 4: Simplify right side
    480,048,088.30x = 340,158,718,321,091,328
  5. Step 5: Solve for x
    x = 340,158,718,321,091,328/480,048,088.30
  6. Step 6: Final answer
    x = 708,593,006.85

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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.