Home / 721,736,722.10-996,446,514.76-496,064,287.26

Finding the Fourth Proportional to 721,736,722.10, 996,446,514.76 and 496,064,287.26

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Solution

The fourth proportional to 721,736,722.10, 996,446,514.76 and 496,064,287.26 is: 684,877,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,736,722.10 : 996,446,514.76 = 496,064,287.26 : x
  2. Step 2: Convert to fraction form
    721,736,722.10/996,446,514.76 = 496,064,287.26/x
  3. Step 3: Cross multiply
    721,736,722.10x = 996,446,514.76 × 496,064,287.26
  4. Step 4: Simplify right side
    721,736,722.10x = 494,301,530,135,890,304
  5. Step 5: Solve for x
    x = 494,301,530,135,890,304/721,736,722.10
  6. Step 6: Final answer
    x = 684,877,899.38

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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.