Home / 1,274,782,133.70-1,912,173,200.55-756,946,023.30

Finding the Fourth Proportional to 1,274,782,133.70, 1,912,173,200.55 and 756,946,023.30

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Solution

The fourth proportional to 1,274,782,133.70, 1,912,173,200.55 and 756,946,023.30 is: 1,135,419,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,782,133.70 : 1,912,173,200.55 = 756,946,023.30 : x
  2. Step 2: Convert to fraction form
    1,274,782,133.70/1,912,173,200.55 = 756,946,023.30/x
  3. Step 3: Cross multiply
    1,274,782,133.70x = 1,912,173,200.55 × 756,946,023.30
  4. Step 4: Simplify right side
    1,274,782,133.70x = 1,447,411,900,017,155,840
  5. Step 5: Solve for x
    x = 1,447,411,900,017,155,840/1,274,782,133.70
  6. Step 6: Final answer
    x = 1,135,419,034.95

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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.