Home / 825,543,397.92-1,139,215,482.90-449,201,463.60

Finding the Fourth Proportional to 825,543,397.92, 1,139,215,482.90 and 449,201,463.60

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Solution

The fourth proportional to 825,543,397.92, 1,139,215,482.90 and 449,201,463.60 is: 619,879,298.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,543,397.92 : 1,139,215,482.90 = 449,201,463.60 : x
  2. Step 2: Convert to fraction form
    825,543,397.92/1,139,215,482.90 = 449,201,463.60/x
  3. Step 3: Cross multiply
    825,543,397.92x = 1,139,215,482.90 × 449,201,463.60
  4. Step 4: Simplify right side
    825,543,397.92x = 511,737,262,274,460,864
  5. Step 5: Solve for x
    x = 511,737,262,274,460,864/825,543,397.92
  6. Step 6: Final answer
    x = 619,879,298.37

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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.