Home / 527,766,771.35-728,318,254.79-292,816,871.30

Finding the Fourth Proportional to 527,766,771.35, 728,318,254.79 and 292,816,871.30

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Solution

The fourth proportional to 527,766,771.35, 728,318,254.79 and 292,816,871.30 is: 404,087,343.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,766,771.35 : 728,318,254.79 = 292,816,871.30 : x
  2. Step 2: Convert to fraction form
    527,766,771.35/728,318,254.79 = 292,816,871.30/x
  3. Step 3: Cross multiply
    527,766,771.35x = 728,318,254.79 × 292,816,871.30
  4. Step 4: Simplify right side
    527,766,771.35x = 213,263,872,680,836,896
  5. Step 5: Solve for x
    x = 213,263,872,680,836,896/527,766,771.35
  6. Step 6: Final answer
    x = 404,087,343.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.