Home / 391,203,500.40-586,805,250.60-176,212,652.40

Finding the Fourth Proportional to 391,203,500.40, 586,805,250.60 and 176,212,652.40

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Solution

The fourth proportional to 391,203,500.40, 586,805,250.60 and 176,212,652.40 is: 264,318,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,203,500.40 : 586,805,250.60 = 176,212,652.40 : x
  2. Step 2: Convert to fraction form
    391,203,500.40/586,805,250.60 = 176,212,652.40/x
  3. Step 3: Cross multiply
    391,203,500.40x = 586,805,250.60 × 176,212,652.40
  4. Step 4: Simplify right side
    391,203,500.40x = 103,402,509,650,472,704
  5. Step 5: Solve for x
    x = 103,402,509,650,472,704/391,203,500.40
  6. Step 6: Final answer
    x = 264,318,978.60

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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.