Home / 1,448,233,551.60-2,172,350,327.40-478,885,167.60

Finding the Fourth Proportional to 1,448,233,551.60, 2,172,350,327.40 and 478,885,167.60

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Solution

The fourth proportional to 1,448,233,551.60, 2,172,350,327.40 and 478,885,167.60 is: 718,327,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,233,551.60 : 2,172,350,327.40 = 478,885,167.60 : x
  2. Step 2: Convert to fraction form
    1,448,233,551.60/2,172,350,327.40 = 478,885,167.60/x
  3. Step 3: Cross multiply
    1,448,233,551.60x = 2,172,350,327.40 × 478,885,167.60
  4. Step 4: Simplify right side
    1,448,233,551.60x = 1,040,306,350,622,864,000
  5. Step 5: Solve for x
    x = 1,040,306,350,622,864,000/1,448,233,551.60
  6. Step 6: Final answer
    x = 718,327,751.40

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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.