Home / 1,217,941,702.94-1,680,761,171.94-661,024,750

Finding the Fourth Proportional to 1,217,941,702.94, 1,680,761,171.94 and 661,024,750

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Solution

The fourth proportional to 1,217,941,702.94, 1,680,761,171.94 and 661,024,750 is: 912,215,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,941,702.94 : 1,680,761,171.94 = 661,024,750 : x
  2. Step 2: Convert to fraction form
    1,217,941,702.94/1,680,761,171.94 = 661,024,750/x
  3. Step 3: Cross multiply
    1,217,941,702.94x = 1,680,761,171.94 × 661,024,750
  4. Step 4: Simplify right side
    1,217,941,702.94x = 1,111,024,733,491,345,536
  5. Step 5: Solve for x
    x = 1,111,024,733,491,345,536/1,217,941,702.94
  6. Step 6: Final answer
    x = 912,215,035.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.