Home / 664,299,312.10-996,448,968.15-319,169,716.90

Finding the Fourth Proportional to 664,299,312.10, 996,448,968.15 and 319,169,716.90

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Solution

The fourth proportional to 664,299,312.10, 996,448,968.15 and 319,169,716.90 is: 478,754,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,299,312.10 : 996,448,968.15 = 319,169,716.90 : x
  2. Step 2: Convert to fraction form
    664,299,312.10/996,448,968.15 = 319,169,716.90/x
  3. Step 3: Cross multiply
    664,299,312.10x = 996,448,968.15 × 319,169,716.90
  4. Step 4: Simplify right side
    664,299,312.10x = 318,036,335,069,732,608
  5. Step 5: Solve for x
    x = 318,036,335,069,732,608/664,299,312.10
  6. Step 6: Final answer
    x = 478,754,575.35

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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.