Home / 693,867,749.76-1,039,413,841.68-417,366,331.20

Finding the Fourth Proportional to 693,867,749.76, 1,039,413,841.68 and 417,366,331.20

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Solution

The fourth proportional to 693,867,749.76, 1,039,413,841.68 and 417,366,331.20 is: 625,214,735.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,867,749.76 : 1,039,413,841.68 = 417,366,331.20 : x
  2. Step 2: Convert to fraction form
    693,867,749.76/1,039,413,841.68 = 417,366,331.20/x
  3. Step 3: Cross multiply
    693,867,749.76x = 1,039,413,841.68 × 417,366,331.20
  4. Step 4: Simplify right side
    693,867,749.76x = 433,816,341,700,479,232
  5. Step 5: Solve for x
    x = 433,816,341,700,479,232/693,867,749.76
  6. Step 6: Final answer
    x = 625,214,735.59

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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.