Home / 20,705,088,294.40-31,057,632,441.60-17,028,744,793.60

Finding the Fourth Proportional to 20,705,088,294.40, 31,057,632,441.60 and 17,028,744,793.60

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Solution

The fourth proportional to 20,705,088,294.40, 31,057,632,441.60 and 17,028,744,793.60 is: 25,543,117,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,705,088,294.40 : 31,057,632,441.60 = 17,028,744,793.60 : x
  2. Step 2: Convert to fraction form
    20,705,088,294.40/31,057,632,441.60 = 17,028,744,793.60/x
  3. Step 3: Cross multiply
    20,705,088,294.40x = 31,057,632,441.60 × 17,028,744,793.60
  4. Step 4: Simplify right side
    20,705,088,294.40x = 528,872,496,741,438,455,808
  5. Step 5: Solve for x
    x = 528,872,496,741,438,455,808/20,705,088,294.40
  6. Step 6: Final answer
    x = 25,543,117,190.40

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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.