Home / 28,747,011,451.20-43,120,517,176.80-17,572,862,126.40

Finding the Fourth Proportional to 28,747,011,451.20, 43,120,517,176.80 and 17,572,862,126.40

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Solution

The fourth proportional to 28,747,011,451.20, 43,120,517,176.80 and 17,572,862,126.40 is: 26,359,293,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747,011,451.20 : 43,120,517,176.80 = 17,572,862,126.40 : x
  2. Step 2: Convert to fraction form
    28,747,011,451.20/43,120,517,176.80 = 17,572,862,126.40/x
  3. Step 3: Cross multiply
    28,747,011,451.20x = 43,120,517,176.80 × 17,572,862,126.40
  4. Step 4: Simplify right side
    28,747,011,451.20x = 757,750,903,166,969,446,400
  5. Step 5: Solve for x
    x = 757,750,903,166,969,446,400/28,747,011,451.20
  6. Step 6: Final answer
    x = 26,359,293,189.60

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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.