Home / 20,394,088,280.70-30,591,132,421.05-12,108,710,514.30

Finding the Fourth Proportional to 20,394,088,280.70, 30,591,132,421.05 and 12,108,710,514.30

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Solution

The fourth proportional to 20,394,088,280.70, 30,591,132,421.05 and 12,108,710,514.30 is: 18,163,065,771.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394,088,280.70 : 30,591,132,421.05 = 12,108,710,514.30 : x
  2. Step 2: Convert to fraction form
    20,394,088,280.70/30,591,132,421.05 = 12,108,710,514.30/x
  3. Step 3: Cross multiply
    20,394,088,280.70x = 30,591,132,421.05 × 12,108,710,514.30
  4. Step 4: Simplify right side
    20,394,088,280.70x = 370,419,166,791,111,737,344
  5. Step 5: Solve for x
    x = 370,419,166,791,111,737,344/20,394,088,280.70
  6. Step 6: Final answer
    x = 18,163,065,771.45

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Double scale
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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.