Home / 526,946,715.40-789,853,202.70-199,295,624.20

Finding the Fourth Proportional to 526,946,715.40, 789,853,202.70 and 199,295,624.20

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Solution

The fourth proportional to 526,946,715.40, 789,853,202.70 and 199,295,624.20 is: 298,729,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,946,715.40 : 789,853,202.70 = 199,295,624.20 : x
  2. Step 2: Convert to fraction form
    526,946,715.40/789,853,202.70 = 199,295,624.20/x
  3. Step 3: Cross multiply
    526,946,715.40x = 789,853,202.70 × 199,295,624.20
  4. Step 4: Simplify right side
    526,946,715.40x = 157,414,287,058,465,632
  5. Step 5: Solve for x
    x = 157,414,287,058,465,632/526,946,715.40
  6. Step 6: Final answer
    x = 298,729,041.21

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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.