Home / 498,720,022.20-748,150,892.10-153,637,666.20

Finding the Fourth Proportional to 498,720,022.20, 748,150,892.10 and 153,637,666.20

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Solution

The fourth proportional to 498,720,022.20, 748,150,892.10 and 153,637,666.20 is: 230,478,328.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,720,022.20 : 748,150,892.10 = 153,637,666.20 : x
  2. Step 2: Convert to fraction form
    498,720,022.20/748,150,892.10 = 153,637,666.20/x
  3. Step 3: Cross multiply
    498,720,022.20x = 748,150,892.10 × 153,637,666.20
  4. Step 4: Simplify right side
    498,720,022.20x = 114,944,157,027,692,016
  5. Step 5: Solve for x
    x = 114,944,157,027,692,016/498,720,022.20
  6. Step 6: Final answer
    x = 230,478,328.34

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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.