Home / 724,011,844.80-1,086,017,767.20-239,337,652.80

Finding the Fourth Proportional to 724,011,844.80, 1,086,017,767.20 and 239,337,652.80

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Solution

The fourth proportional to 724,011,844.80, 1,086,017,767.20 and 239,337,652.80 is: 359,006,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,011,844.80 : 1,086,017,767.20 = 239,337,652.80 : x
  2. Step 2: Convert to fraction form
    724,011,844.80/1,086,017,767.20 = 239,337,652.80/x
  3. Step 3: Cross multiply
    724,011,844.80x = 1,086,017,767.20 × 239,337,652.80
  4. Step 4: Simplify right side
    724,011,844.80x = 259,924,943,300,744,864
  5. Step 5: Solve for x
    x = 259,924,943,300,744,864/724,011,844.80
  6. Step 6: Final answer
    x = 359,006,479.20

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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.