Home / 726,852,002.70-1,090,278,004.05-436,614,357.90

Finding the Fourth Proportional to 726,852,002.70, 1,090,278,004.05 and 436,614,357.90

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Solution

The fourth proportional to 726,852,002.70, 1,090,278,004.05 and 436,614,357.90 is: 654,921,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,852,002.70 : 1,090,278,004.05 = 436,614,357.90 : x
  2. Step 2: Convert to fraction form
    726,852,002.70/1,090,278,004.05 = 436,614,357.90/x
  3. Step 3: Cross multiply
    726,852,002.70x = 1,090,278,004.05 × 436,614,357.90
  4. Step 4: Simplify right side
    726,852,002.70x = 476,031,030,670,784,320
  5. Step 5: Solve for x
    x = 476,031,030,670,784,320/726,852,002.70
  6. Step 6: Final answer
    x = 654,921,536.85

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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.