Home / 726,852,023.70-1,090,278,035.55-436,614,378.90

Finding the Fourth Proportional to 726,852,023.70, 1,090,278,035.55 and 436,614,378.90

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Solution

The fourth proportional to 726,852,023.70, 1,090,278,035.55 and 436,614,378.90 is: 654,921,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,852,023.70 : 1,090,278,035.55 = 436,614,378.90 : x
  2. Step 2: Convert to fraction form
    726,852,023.70/1,090,278,035.55 = 436,614,378.90/x
  3. Step 3: Cross multiply
    726,852,023.70x = 1,090,278,035.55 × 436,614,378.90
  4. Step 4: Simplify right side
    726,852,023.70x = 476,031,067,319,975,296
  5. Step 5: Solve for x
    x = 476,031,067,319,975,296/726,852,023.70
  6. Step 6: Final answer
    x = 654,921,568.35

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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.