Home / 664,299,336.60-996,449,004.90-319,169,741.40

Finding the Fourth Proportional to 664,299,336.60, 996,449,004.90 and 319,169,741.40

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Solution

The fourth proportional to 664,299,336.60, 996,449,004.90 and 319,169,741.40 is: 478,754,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,299,336.60 : 996,449,004.90 = 319,169,741.40 : x
  2. Step 2: Convert to fraction form
    664,299,336.60/996,449,004.90 = 319,169,741.40/x
  3. Step 3: Cross multiply
    664,299,336.60x = 996,449,004.90 × 319,169,741.40
  4. Step 4: Simplify right side
    664,299,336.60x = 318,036,371,212,220,288
  5. Step 5: Solve for x
    x = 318,036,371,212,220,288/664,299,336.60
  6. Step 6: Final answer
    x = 478,754,612.10

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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.