Home / 579,391,505.16-799,565,970.48-315,079,241.82

Finding the Fourth Proportional to 579,391,505.16, 799,565,970.48 and 315,079,241.82

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Solution

The fourth proportional to 579,391,505.16, 799,565,970.48 and 315,079,241.82 is: 434,812,449.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,391,505.16 : 799,565,970.48 = 315,079,241.82 : x
  2. Step 2: Convert to fraction form
    579,391,505.16/799,565,970.48 = 315,079,241.82/x
  3. Step 3: Cross multiply
    579,391,505.16x = 799,565,970.48 × 315,079,241.82
  4. Step 4: Simplify right side
    579,391,505.16x = 251,926,639,763,910,912
  5. Step 5: Solve for x
    x = 251,926,639,763,910,912/579,391,505.16
  6. Step 6: Final answer
    x = 434,812,449.82

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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.