Home / 319,206,420.56-478,989,008.08-173,650,169.04

Finding the Fourth Proportional to 319,206,420.56, 478,989,008.08 and 173,650,169.04

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Solution

The fourth proportional to 319,206,420.56, 478,989,008.08 and 173,650,169.04 is: 260,572,835.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,206,420.56 : 478,989,008.08 = 173,650,169.04 : x
  2. Step 2: Convert to fraction form
    319,206,420.56/478,989,008.08 = 173,650,169.04/x
  3. Step 3: Cross multiply
    319,206,420.56x = 478,989,008.08 × 173,650,169.04
  4. Step 4: Simplify right side
    319,206,420.56x = 83,176,522,221,393,920
  5. Step 5: Solve for x
    x = 83,176,522,221,393,920/319,206,420.56
  6. Step 6: Final answer
    x = 260,572,835.83

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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.