Home / 725,793,916.80-1,087,994,145.60-240,870,115.20

Finding the Fourth Proportional to 725,793,916.80, 1,087,994,145.60 and 240,870,115.20

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Solution

The fourth proportional to 725,793,916.80, 1,087,994,145.60 and 240,870,115.20 is: 361,073,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,793,916.80 : 1,087,994,145.60 = 240,870,115.20 : x
  2. Step 2: Convert to fraction form
    725,793,916.80/1,087,994,145.60 = 240,870,115.20/x
  3. Step 3: Cross multiply
    725,793,916.80x = 1,087,994,145.60 × 240,870,115.20
  4. Step 4: Simplify right side
    725,793,916.80x = 262,065,275,187,597,536
  5. Step 5: Solve for x
    x = 262,065,275,187,597,536/725,793,916.80
  6. Step 6: Final answer
    x = 361,073,948.30

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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.