Home / 668,761,967.28-1,002,745,552.50-254,269,129.02

Finding the Fourth Proportional to 668,761,967.28, 1,002,745,552.50 and 254,269,129.02

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Solution

The fourth proportional to 668,761,967.28, 1,002,745,552.50 and 254,269,129.02 is: 381,252,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,761,967.28 : 1,002,745,552.50 = 254,269,129.02 : x
  2. Step 2: Convert to fraction form
    668,761,967.28/1,002,745,552.50 = 254,269,129.02/x
  3. Step 3: Cross multiply
    668,761,967.28x = 1,002,745,552.50 × 254,269,129.02
  4. Step 4: Simplify right side
    668,761,967.28x = 254,967,238,262,853,696
  5. Step 5: Solve for x
    x = 254,967,238,262,853,696/668,761,967.28
  6. Step 6: Final answer
    x = 381,252,599.19

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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.