Home / 845,194,192.59-1,166,193,325.71-487,955,778.78

Finding the Fourth Proportional to 845,194,192.59, 1,166,193,325.71 and 487,955,778.78

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Solution

The fourth proportional to 845,194,192.59, 1,166,193,325.71 and 487,955,778.78 is: 673,278,138.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,194,192.59 : 1,166,193,325.71 = 487,955,778.78 : x
  2. Step 2: Convert to fraction form
    845,194,192.59/1,166,193,325.71 = 487,955,778.78/x
  3. Step 3: Cross multiply
    845,194,192.59x = 1,166,193,325.71 × 487,955,778.78
  4. Step 4: Simplify right side
    845,194,192.59x = 569,050,772,454,861,248
  5. Step 5: Solve for x
    x = 569,050,772,454,861,248/845,194,192.59
  6. Step 6: Final answer
    x = 673,278,138.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.