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Finding the Fourth Proportional to 577,417,167.60, 866,125,751.40 and 189,252,661.20

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Solution

The fourth proportional to 577,417,167.60, 866,125,751.40 and 189,252,661.20 is: 283,878,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,417,167.60 : 866,125,751.40 = 189,252,661.20 : x
  2. Step 2: Convert to fraction form
    577,417,167.60/866,125,751.40 = 189,252,661.20/x
  3. Step 3: Cross multiply
    577,417,167.60x = 866,125,751.40 × 189,252,661.20
  4. Step 4: Simplify right side
    577,417,167.60x = 163,916,603,386,299,616
  5. Step 5: Solve for x
    x = 163,916,603,386,299,616/577,417,167.60
  6. Step 6: Final answer
    x = 283,878,991.80

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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.