Home / 478,473,321.60-718,045,905.60-206,039,606.40

Finding the Fourth Proportional to 478,473,321.60, 718,045,905.60 and 206,039,606.40

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Solution

The fourth proportional to 478,473,321.60, 718,045,905.60 and 206,039,606.40 is: 309,204,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,473,321.60 : 718,045,905.60 = 206,039,606.40 : x
  2. Step 2: Convert to fraction form
    478,473,321.60/718,045,905.60 = 206,039,606.40/x
  3. Step 3: Cross multiply
    478,473,321.60x = 718,045,905.60 × 206,039,606.40
  4. Step 4: Simplify right side
    478,473,321.60x = 147,945,895,766,955,552
  5. Step 5: Solve for x
    x = 147,945,895,766,955,552/478,473,321.60
  6. Step 6: Final answer
    x = 309,204,064.44

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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.