Home / 498,908,353.03-748,354,296.30-149,155,239.76

Finding the Fourth Proportional to 498,908,353.03, 748,354,296.30 and 149,155,239.76

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Solution

The fourth proportional to 498,908,353.03, 748,354,296.30 and 149,155,239.76 is: 223,730,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,908,353.03 : 748,354,296.30 = 149,155,239.76 : x
  2. Step 2: Convert to fraction form
    498,908,353.03/748,354,296.30 = 149,155,239.76/x
  3. Step 3: Cross multiply
    498,908,353.03x = 748,354,296.30 × 149,155,239.76
  4. Step 4: Simplify right side
    498,908,353.03x = 111,620,964,490,052,560
  5. Step 5: Solve for x
    x = 111,620,964,490,052,560/498,908,353.03
  6. Step 6: Final answer
    x = 223,730,398.20

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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.