Home / 1,272,036,223.75-1,755,384,816.02-707,508,961.88

Finding the Fourth Proportional to 1,272,036,223.75, 1,755,384,816.02 and 707,508,961.88

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Solution

The fourth proportional to 1,272,036,223.75, 1,755,384,816.02 and 707,508,961.88 is: 976,348,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,036,223.75 : 1,755,384,816.02 = 707,508,961.88 : x
  2. Step 2: Convert to fraction form
    1,272,036,223.75/1,755,384,816.02 = 707,508,961.88/x
  3. Step 3: Cross multiply
    1,272,036,223.75x = 1,755,384,816.02 × 707,508,961.88
  4. Step 4: Simplify right side
    1,272,036,223.75x = 1,241,950,488,882,224,896
  5. Step 5: Solve for x
    x = 1,241,950,488,882,224,896/1,272,036,223.75
  6. Step 6: Final answer
    x = 976,348,366.26

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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.