Home / 1,039,825,240.80-1,559,359,947.60-349,755,007.20

Finding the Fourth Proportional to 1,039,825,240.80, 1,559,359,947.60 and 349,755,007.20

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Solution

The fourth proportional to 1,039,825,240.80, 1,559,359,947.60 and 349,755,007.20 is: 524,505,396.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,825,240.80 : 1,559,359,947.60 = 349,755,007.20 : x
  2. Step 2: Convert to fraction form
    1,039,825,240.80/1,559,359,947.60 = 349,755,007.20/x
  3. Step 3: Cross multiply
    1,039,825,240.80x = 1,559,359,947.60 × 349,755,007.20
  4. Step 4: Simplify right side
    1,039,825,240.80x = 545,393,949,700,229,568
  5. Step 5: Solve for x
    x = 545,393,949,700,229,568/1,039,825,240.80
  6. Step 6: Final answer
    x = 524,505,396.00

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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.