Home / 955,912,381.92-1,434,123,729.36-342,558,609.12

Finding the Fourth Proportional to 955,912,381.92, 1,434,123,729.36 and 342,558,609.12

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Solution

The fourth proportional to 955,912,381.92, 1,434,123,729.36 and 342,558,609.12 is: 513,929,350.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,912,381.92 : 1,434,123,729.36 = 342,558,609.12 : x
  2. Step 2: Convert to fraction form
    955,912,381.92/1,434,123,729.36 = 342,558,609.12/x
  3. Step 3: Cross multiply
    955,912,381.92x = 1,434,123,729.36 × 342,558,609.12
  4. Step 4: Simplify right side
    955,912,381.92x = 491,271,430,035,548,864
  5. Step 5: Solve for x
    x = 491,271,430,035,548,864/955,912,381.92
  6. Step 6: Final answer
    x = 513,929,350.98

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1.5x scale

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.