Home / 410,253,477.60-615,380,216.40-123,039,141.60

Finding the Fourth Proportional to 410,253,477.60, 615,380,216.40 and 123,039,141.60

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Solution

The fourth proportional to 410,253,477.60, 615,380,216.40 and 123,039,141.60 is: 184,558,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,253,477.60 : 615,380,216.40 = 123,039,141.60 : x
  2. Step 2: Convert to fraction form
    410,253,477.60/615,380,216.40 = 123,039,141.60/x
  3. Step 3: Cross multiply
    410,253,477.60x = 615,380,216.40 × 123,039,141.60
  4. Step 4: Simplify right side
    410,253,477.60x = 75,715,853,583,478,240
  5. Step 5: Solve for x
    x = 75,715,853,583,478,240/410,253,477.60
  6. Step 6: Final answer
    x = 184,558,712.40

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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.