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Finding the Fourth Proportional to 577,454,429.80, 866,181,644.70 and 557,047,095.40

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Solution

The fourth proportional to 577,454,429.80, 866,181,644.70 and 557,047,095.40 is: 835,570,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,454,429.80 : 866,181,644.70 = 557,047,095.40 : x
  2. Step 2: Convert to fraction form
    577,454,429.80/866,181,644.70 = 557,047,095.40/x
  3. Step 3: Cross multiply
    577,454,429.80x = 866,181,644.70 × 557,047,095.40
  4. Step 4: Simplify right side
    577,454,429.80x = 482,503,969,268,929,792
  5. Step 5: Solve for x
    x = 482,503,969,268,929,792/577,454,429.80
  6. Step 6: Final answer
    x = 835,570,643.10

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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.