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Finding the Fourth Proportional to 577,829,737.07, 866,900,986.38 and 412,042,690.00

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Solution

The fourth proportional to 577,829,737.07, 866,900,986.38 and 412,042,690.00 is: 618,175,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,829,737.07 : 866,900,986.38 = 412,042,690.00 : x
  2. Step 2: Convert to fraction form
    577,829,737.07/866,900,986.38 = 412,042,690.00/x
  3. Step 3: Cross multiply
    577,829,737.07x = 866,900,986.38 × 412,042,690.00
  4. Step 4: Simplify right side
    577,829,737.07x = 357,200,214,392,752,192
  5. Step 5: Solve for x
    x = 357,200,214,392,752,192/577,829,737.07
  6. Step 6: Final answer
    x = 618,175,548.05

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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.