Home / 391,790,559.06-587,666,471.04-146,128,057.11

Finding the Fourth Proportional to 391,790,559.06, 587,666,471.04 and 146,128,057.11

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Solution

The fourth proportional to 391,790,559.06, 587,666,471.04 and 146,128,057.11 is: 219,184,862.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,790,559.06 : 587,666,471.04 = 146,128,057.11 : x
  2. Step 2: Convert to fraction form
    391,790,559.06/587,666,471.04 = 146,128,057.11/x
  3. Step 3: Cross multiply
    391,790,559.06x = 587,666,471.04 × 146,128,057.11
  4. Step 4: Simplify right side
    391,790,559.06x = 85,874,559,641,765,280
  5. Step 5: Solve for x
    x = 85,874,559,641,765,280/391,790,559.06
  6. Step 6: Final answer
    x = 219,184,862.05

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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.