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Finding the Fourth Proportional to 577,369,903.20, 866,054,854.80 and 565,890,777.60

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Solution

The fourth proportional to 577,369,903.20, 866,054,854.80 and 565,890,777.60 is: 848,836,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,369,903.20 : 866,054,854.80 = 565,890,777.60 : x
  2. Step 2: Convert to fraction form
    577,369,903.20/866,054,854.80 = 565,890,777.60/x
  3. Step 3: Cross multiply
    577,369,903.20x = 866,054,854.80 × 565,890,777.60
  4. Step 4: Simplify right side
    577,369,903.20x = 490,092,455,227,027,072
  5. Step 5: Solve for x
    x = 490,092,455,227,027,072/577,369,903.20
  6. Step 6: Final answer
    x = 848,836,166.40

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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.