Home / 393,523,943.28-591,181,710.12-284,684,826.48

Finding the Fourth Proportional to 393,523,943.28, 591,181,710.12 and 284,684,826.48

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Solution

The fourth proportional to 393,523,943.28, 591,181,710.12 and 284,684,826.48 is: 427,675,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,523,943.28 : 591,181,710.12 = 284,684,826.48 : x
  2. Step 2: Convert to fraction form
    393,523,943.28/591,181,710.12 = 284,684,826.48/x
  3. Step 3: Cross multiply
    393,523,943.28x = 591,181,710.12 × 284,684,826.48
  4. Step 4: Simplify right side
    393,523,943.28x = 168,300,462,563,661,888
  5. Step 5: Solve for x
    x = 168,300,462,563,661,888/393,523,943.28
  6. Step 6: Final answer
    x = 427,675,279.83

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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.