Home / 410,254,437.60-615,381,656.40-123,040,101.60

Finding the Fourth Proportional to 410,254,437.60, 615,381,656.40 and 123,040,101.60

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Solution

The fourth proportional to 410,254,437.60, 615,381,656.40 and 123,040,101.60 is: 184,560,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,254,437.60 : 615,381,656.40 = 123,040,101.60 : x
  2. Step 2: Convert to fraction form
    410,254,437.60/615,381,656.40 = 123,040,101.60/x
  3. Step 3: Cross multiply
    410,254,437.60x = 615,381,656.40 × 123,040,101.60
  4. Step 4: Simplify right side
    410,254,437.60x = 75,716,621,526,232,288
  5. Step 5: Solve for x
    x = 75,716,621,526,232,288/410,254,437.60
  6. Step 6: Final answer
    x = 184,560,152.40

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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.