Home / 1,226,178,966.90-1,694,340,411.48-873,142,045.86

Finding the Fourth Proportional to 1,226,178,966.90, 1,694,340,411.48 and 873,142,045.86

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Solution

The fourth proportional to 1,226,178,966.90, 1,694,340,411.48 and 873,142,045.86 is: 1,206,512,175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,178,966.90 : 1,694,340,411.48 = 873,142,045.86 : x
  2. Step 2: Convert to fraction form
    1,226,178,966.90/1,694,340,411.48 = 873,142,045.86/x
  3. Step 3: Cross multiply
    1,226,178,966.90x = 1,694,340,411.48 × 873,142,045.86
  4. Step 4: Simplify right side
    1,226,178,966.90x = 1,479,399,853,262,921,472
  5. Step 5: Solve for x
    x = 1,479,399,853,262,921,472/1,226,178,966.90
  6. Step 6: Final answer
    x = 1,206,512,175.79

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Double scale
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1.5x scale

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.