Home / 825,367,060.80-1,139,006,505.42-454,081,120.56

Finding the Fourth Proportional to 825,367,060.80, 1,139,006,505.42 and 454,081,120.56

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Solution

The fourth proportional to 825,367,060.80, 1,139,006,505.42 and 454,081,120.56 is: 626,631,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,367,060.80 : 1,139,006,505.42 = 454,081,120.56 : x
  2. Step 2: Convert to fraction form
    825,367,060.80/1,139,006,505.42 = 454,081,120.56/x
  3. Step 3: Cross multiply
    825,367,060.80x = 1,139,006,505.42 × 454,081,120.56
  4. Step 4: Simplify right side
    825,367,060.80x = 517,201,350,306,243,328
  5. Step 5: Solve for x
    x = 517,201,350,306,243,328/825,367,060.80
  6. Step 6: Final answer
    x = 626,631,925.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.