Home / 398,648,945.60-596,839,677.60-307,193,854.40

Finding the Fourth Proportional to 398,648,945.60, 596,839,677.60 and 307,193,854.40

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Solution

The fourth proportional to 398,648,945.60, 596,839,677.60 and 307,193,854.40 is: 459,917,135.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,648,945.60 : 596,839,677.60 = 307,193,854.40 : x
  2. Step 2: Convert to fraction form
    398,648,945.60/596,839,677.60 = 307,193,854.40/x
  3. Step 3: Cross multiply
    398,648,945.60x = 596,839,677.60 × 307,193,854.40
  4. Step 4: Simplify right side
    398,648,945.60x = 183,345,481,020,797,344
  5. Step 5: Solve for x
    x = 183,345,481,020,797,344/398,648,945.60
  6. Step 6: Final answer
    x = 459,917,135.22

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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.