Home / 526,946,454.40-789,852,811.20-199,295,363.20

Finding the Fourth Proportional to 526,946,454.40, 789,852,811.20 and 199,295,363.20

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Solution

The fourth proportional to 526,946,454.40, 789,852,811.20 and 199,295,363.20 is: 298,728,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,946,454.40 : 789,852,811.20 = 199,295,363.20 : x
  2. Step 2: Convert to fraction form
    526,946,454.40/789,852,811.20 = 199,295,363.20/x
  3. Step 3: Cross multiply
    526,946,454.40x = 789,852,811.20 × 199,295,363.20
  4. Step 4: Simplify right side
    526,946,454.40x = 157,414,002,882,645,024
  5. Step 5: Solve for x
    x = 157,414,002,882,645,024/526,946,454.40
  6. Step 6: Final answer
    x = 298,728,649.88

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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.