Home / 20,460,482,073.60-30,690,723,110.40-11,644,513,612.80

Finding the Fourth Proportional to 20,460,482,073.60, 30,690,723,110.40 and 11,644,513,612.80

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Solution

The fourth proportional to 20,460,482,073.60, 30,690,723,110.40 and 11,644,513,612.80 is: 17,466,770,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460,482,073.60 : 30,690,723,110.40 = 11,644,513,612.80 : x
  2. Step 2: Convert to fraction form
    20,460,482,073.60/30,690,723,110.40 = 11,644,513,612.80/x
  3. Step 3: Cross multiply
    20,460,482,073.60x = 30,690,723,110.40 × 11,644,513,612.80
  4. Step 4: Simplify right side
    20,460,482,073.60x = 357,378,543,045,728,337,920
  5. Step 5: Solve for x
    x = 357,378,543,045,728,337,920/20,460,482,073.60
  6. Step 6: Final answer
    x = 17,466,770,419.20

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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.