Home / 527,561,923.20-790,974,244.80-312,040,233.60

Finding the Fourth Proportional to 527,561,923.20, 790,974,244.80 and 312,040,233.60

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Solution

The fourth proportional to 527,561,923.20, 790,974,244.80 and 312,040,233.60 is: 467,842,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,561,923.20 : 790,974,244.80 = 312,040,233.60 : x
  2. Step 2: Convert to fraction form
    527,561,923.20/790,974,244.80 = 312,040,233.60/x
  3. Step 3: Cross multiply
    527,561,923.20x = 790,974,244.80 × 312,040,233.60
  4. Step 4: Simplify right side
    527,561,923.20x = 246,815,788,118,975,584
  5. Step 5: Solve for x
    x = 246,815,788,118,975,584/527,561,923.20
  6. Step 6: Final answer
    x = 467,842,308.68

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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.