Home / 218,614,185,729.60-327,921,278,594.40-130,381,941,710.40

Finding the Fourth Proportional to 218,614,185,729.60, 327,921,278,594.40 and 130,381,941,710.40

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Solution

The fourth proportional to 218,614,185,729.60, 327,921,278,594.40 and 130,381,941,710.40 is: 195,572,912,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,614,185,729.60 : 327,921,278,594.40 = 130,381,941,710.40 : x
  2. Step 2: Convert to fraction form
    218,614,185,729.60/327,921,278,594.40 = 130,381,941,710.40/x
  3. Step 3: Cross multiply
    218,614,185,729.60x = 327,921,278,594.40 × 130,381,941,710.40
  4. Step 4: Simplify right side
    218,614,185,729.60x = 42,755,013,031,294,897,487,872
  5. Step 5: Solve for x
    x = 42,755,013,031,294,897,487,872/218,614,185,729.60
  6. Step 6: Final answer
    x = 195,572,912,565.60

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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.