Home / 866,114,443.20-1,299,171,664.80-283,708,251.30

Finding the Fourth Proportional to 866,114,443.20, 1,299,171,664.80 and 283,708,251.30

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Solution

The fourth proportional to 866,114,443.20, 1,299,171,664.80 and 283,708,251.30 is: 425,562,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,114,443.20 : 1,299,171,664.80 = 283,708,251.30 : x
  2. Step 2: Convert to fraction form
    866,114,443.20/1,299,171,664.80 = 283,708,251.30/x
  3. Step 3: Cross multiply
    866,114,443.20x = 1,299,171,664.80 × 283,708,251.30
  4. Step 4: Simplify right side
    866,114,443.20x = 368,585,721,158,917,760
  5. Step 5: Solve for x
    x = 368,585,721,158,917,760/866,114,443.20
  6. Step 6: Final answer
    x = 425,562,376.95

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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.