Home / 1,227,278,008.15-1,693,142,264.22-906,175,524.86

Finding the Fourth Proportional to 1,227,278,008.15, 1,693,142,264.22 and 906,175,524.86

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Solution

The fourth proportional to 1,227,278,008.15, 1,693,142,264.22 and 906,175,524.86 is: 1,250,152,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,278,008.15 : 1,693,142,264.22 = 906,175,524.86 : x
  2. Step 2: Convert to fraction form
    1,227,278,008.15/1,693,142,264.22 = 906,175,524.86/x
  3. Step 3: Cross multiply
    1,227,278,008.15x = 1,693,142,264.22 × 906,175,524.86
  4. Step 4: Simplify right side
    1,227,278,008.15x = 1,534,284,079,936,630,528
  5. Step 5: Solve for x
    x = 1,534,284,079,936,630,528/1,227,278,008.15
  6. Step 6: Final answer
    x = 1,250,152,019.14

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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.