Home / 410,253,948.60-615,380,922.90-123,039,612.60

Finding the Fourth Proportional to 410,253,948.60, 615,380,922.90 and 123,039,612.60

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Solution

The fourth proportional to 410,253,948.60, 615,380,922.90 and 123,039,612.60 is: 184,559,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,253,948.60 : 615,380,922.90 = 123,039,612.60 : x
  2. Step 2: Convert to fraction form
    410,253,948.60/615,380,922.90 = 123,039,612.60/x
  3. Step 3: Cross multiply
    410,253,948.60x = 615,380,922.90 × 123,039,612.60
  4. Step 4: Simplify right side
    410,253,948.60x = 75,716,230,355,046,464
  5. Step 5: Solve for x
    x = 75,716,230,355,046,464/410,253,948.60
  6. Step 6: Final answer
    x = 184,559,418.90

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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.