Home / 1,255,226,947.27-1,883,112,825.97-381,805,615.16

Finding the Fourth Proportional to 1,255,226,947.27, 1,883,112,825.97 and 381,805,615.16

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Solution

The fourth proportional to 1,255,226,947.27, 1,883,112,825.97 and 381,805,615.16 is: 572,791,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,226,947.27 : 1,883,112,825.97 = 381,805,615.16 : x
  2. Step 2: Convert to fraction form
    1,255,226,947.27/1,883,112,825.97 = 381,805,615.16/x
  3. Step 3: Cross multiply
    1,255,226,947.27x = 1,883,112,825.97 × 381,805,615.16
  4. Step 4: Simplify right side
    1,255,226,947.27x = 718,983,050,929,560,704
  5. Step 5: Solve for x
    x = 718,983,050,929,560,704/1,255,226,947.27
  6. Step 6: Final answer
    x = 572,791,280.89

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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.