Home / 478,473,419.60-718,046,052.60-206,039,704.40

Finding the Fourth Proportional to 478,473,419.60, 718,046,052.60 and 206,039,704.40

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Solution

The fourth proportional to 478,473,419.60, 718,046,052.60 and 206,039,704.40 is: 309,204,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,473,419.60 : 718,046,052.60 = 206,039,704.40 : x
  2. Step 2: Convert to fraction form
    478,473,419.60/718,046,052.60 = 206,039,704.40/x
  3. Step 3: Cross multiply
    478,473,419.60x = 718,046,052.60 × 206,039,704.40
  4. Step 4: Simplify right side
    478,473,419.60x = 147,945,996,423,290,848
  5. Step 5: Solve for x
    x = 147,945,996,423,290,848/478,473,419.60
  6. Step 6: Final answer
    x = 309,204,211.48

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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.