Home / 1,121,010,288.30-1,681,515,432.45-1,114,553,280.15

Finding the Fourth Proportional to 1,121,010,288.30, 1,681,515,432.45 and 1,114,553,280.15

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Solution

The fourth proportional to 1,121,010,288.30, 1,681,515,432.45 and 1,114,553,280.15 is: 1,671,829,920.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,010,288.30 : 1,681,515,432.45 = 1,114,553,280.15 : x
  2. Step 2: Convert to fraction form
    1,121,010,288.30/1,681,515,432.45 = 1,114,553,280.15/x
  3. Step 3: Cross multiply
    1,121,010,288.30x = 1,681,515,432.45 × 1,114,553,280.15
  4. Step 4: Simplify right side
    1,121,010,288.30x = 1,874,138,540,859,993,344
  5. Step 5: Solve for x
    x = 1,874,138,540,859,993,344/1,121,010,288.30
  6. Step 6: Final answer
    x = 1,671,829,920.23

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Double scale
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Similar ratio
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1.5x scale

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.