Home / 20,705,088,010.40-31,057,632,015.60-17,028,744,509.60

Finding the Fourth Proportional to 20,705,088,010.40, 31,057,632,015.60 and 17,028,744,509.60

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Solution

The fourth proportional to 20,705,088,010.40, 31,057,632,015.60 and 17,028,744,509.60 is: 25,543,116,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,705,088,010.40 : 31,057,632,015.60 = 17,028,744,509.60 : x
  2. Step 2: Convert to fraction form
    20,705,088,010.40/31,057,632,015.60 = 17,028,744,509.60/x
  3. Step 3: Cross multiply
    20,705,088,010.40x = 31,057,632,015.60 × 17,028,744,509.60
  4. Step 4: Simplify right side
    20,705,088,010.40x = 528,872,480,666,825,654,272
  5. Step 5: Solve for x
    x = 528,872,480,666,825,654,272/20,705,088,010.40
  6. Step 6: Final answer
    x = 25,543,116,764.40

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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.