Home / 1,260,781,003.30-1,891,171,504.95-442,893,304.30

Finding the Fourth Proportional to 1,260,781,003.30, 1,891,171,504.95 and 442,893,304.30

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Solution

The fourth proportional to 1,260,781,003.30, 1,891,171,504.95 and 442,893,304.30 is: 664,339,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,781,003.30 : 1,891,171,504.95 = 442,893,304.30 : x
  2. Step 2: Convert to fraction form
    1,260,781,003.30/1,891,171,504.95 = 442,893,304.30/x
  3. Step 3: Cross multiply
    1,260,781,003.30x = 1,891,171,504.95 × 442,893,304.30
  4. Step 4: Simplify right side
    1,260,781,003.30x = 837,587,196,825,309,312
  5. Step 5: Solve for x
    x = 837,587,196,825,309,312/1,260,781,003.30
  6. Step 6: Final answer
    x = 664,339,956.45

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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.