Home / 747,007,816.20-1,120,511,724.30-528,904,429.80

Finding the Fourth Proportional to 747,007,816.20, 1,120,511,724.30 and 528,904,429.80

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Solution

The fourth proportional to 747,007,816.20, 1,120,511,724.30 and 528,904,429.80 is: 793,356,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,007,816.20 : 1,120,511,724.30 = 528,904,429.80 : x
  2. Step 2: Convert to fraction form
    747,007,816.20/1,120,511,724.30 = 528,904,429.80/x
  3. Step 3: Cross multiply
    747,007,816.20x = 1,120,511,724.30 × 528,904,429.80
  4. Step 4: Simplify right side
    747,007,816.20x = 592,643,614,625,106,304
  5. Step 5: Solve for x
    x = 592,643,614,625,106,304/747,007,816.20
  6. Step 6: Final answer
    x = 793,356,644.70

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1.5x scale

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.