Home / 591,289,405.08-815,984,663.52-326,989,179.30

Finding the Fourth Proportional to 591,289,405.08, 815,984,663.52 and 326,989,179.30

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Solution

The fourth proportional to 591,289,405.08, 815,984,663.52 and 326,989,179.30 is: 451,247,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,289,405.08 : 815,984,663.52 = 326,989,179.30 : x
  2. Step 2: Convert to fraction form
    591,289,405.08/815,984,663.52 = 326,989,179.30/x
  3. Step 3: Cross multiply
    591,289,405.08x = 815,984,663.52 × 326,989,179.30
  4. Step 4: Simplify right side
    591,289,405.08x = 266,818,155,445,791,456
  5. Step 5: Solve for x
    x = 266,818,155,445,791,456/591,289,405.08
  6. Step 6: Final answer
    x = 451,247,989.82

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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.