Home / 498,798,220.20-748,197,330.30-490,295,164.20

Finding the Fourth Proportional to 498,798,220.20, 748,197,330.30 and 490,295,164.20

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Solution

The fourth proportional to 498,798,220.20, 748,197,330.30 and 490,295,164.20 is: 735,442,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,798,220.20 : 748,197,330.30 = 490,295,164.20 : x
  2. Step 2: Convert to fraction form
    498,798,220.20/748,197,330.30 = 490,295,164.20/x
  3. Step 3: Cross multiply
    498,798,220.20x = 748,197,330.30 × 490,295,164.20
  4. Step 4: Simplify right side
    498,798,220.20x = 366,837,532,913,440,128
  5. Step 5: Solve for x
    x = 366,837,532,913,440,128/498,798,220.20
  6. Step 6: Final answer
    x = 735,442,746.30

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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.