Home / 526,946,734.40-789,853,231.20-199,295,643.20

Finding the Fourth Proportional to 526,946,734.40, 789,853,231.20 and 199,295,643.20

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Solution

The fourth proportional to 526,946,734.40, 789,853,231.20 and 199,295,643.20 is: 298,729,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,946,734.40 : 789,853,231.20 = 199,295,643.20 : x
  2. Step 2: Convert to fraction form
    526,946,734.40/789,853,231.20 = 199,295,643.20/x
  3. Step 3: Cross multiply
    526,946,734.40x = 789,853,231.20 × 199,295,643.20
  4. Step 4: Simplify right side
    526,946,734.40x = 157,414,307,745,602,304
  5. Step 5: Solve for x
    x = 157,414,307,745,602,304/526,946,734.40
  6. Step 6: Final answer
    x = 298,729,069.69

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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.