Home / 484,991,508.64-726,996,960.24-208,822,825.12

Finding the Fourth Proportional to 484,991,508.64, 726,996,960.24 and 208,822,825.12

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Solution

The fourth proportional to 484,991,508.64, 726,996,960.24 and 208,822,825.12 is: 313,023,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,991,508.64 : 726,996,960.24 = 208,822,825.12 : x
  2. Step 2: Convert to fraction form
    484,991,508.64/726,996,960.24 = 208,822,825.12/x
  3. Step 3: Cross multiply
    484,991,508.64x = 726,996,960.24 × 208,822,825.12
  4. Step 4: Simplify right side
    484,991,508.64x = 151,813,559,090,969,120
  5. Step 5: Solve for x
    x = 151,813,559,090,969,120/484,991,508.64
  6. Step 6: Final answer
    x = 313,023,128.01

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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.