Home / 20,129,148,291.60-30,193,722,437.40-17,029,784,379.60

Finding the Fourth Proportional to 20,129,148,291.60, 30,193,722,437.40 and 17,029,784,379.60

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Solution

The fourth proportional to 20,129,148,291.60, 30,193,722,437.40 and 17,029,784,379.60 is: 25,544,676,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,129,148,291.60 : 30,193,722,437.40 = 17,029,784,379.60 : x
  2. Step 2: Convert to fraction form
    20,129,148,291.60/30,193,722,437.40 = 17,029,784,379.60/x
  3. Step 3: Cross multiply
    20,129,148,291.60x = 30,193,722,437.40 × 17,029,784,379.60
  4. Step 4: Simplify right side
    20,129,148,291.60x = 514,192,582,726,412,599,296
  5. Step 5: Solve for x
    x = 514,192,582,726,412,599,296/20,129,148,291.60
  6. Step 6: Final answer
    x = 25,544,676,569.40

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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.