Home / 663,836,010.30-995,754,015.45-319,462,242.30

Finding the Fourth Proportional to 663,836,010.30, 995,754,015.45 and 319,462,242.30

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Solution

The fourth proportional to 663,836,010.30, 995,754,015.45 and 319,462,242.30 is: 479,193,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,836,010.30 : 995,754,015.45 = 319,462,242.30 : x
  2. Step 2: Convert to fraction form
    663,836,010.30/995,754,015.45 = 319,462,242.30/x
  3. Step 3: Cross multiply
    663,836,010.30x = 995,754,015.45 × 319,462,242.30
  4. Step 4: Simplify right side
    663,836,010.30x = 318,105,810,554,885,888
  5. Step 5: Solve for x
    x = 318,105,810,554,885,888/663,836,010.30
  6. Step 6: Final answer
    x = 479,193,363.45

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Similar ratio
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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.