Home / 20,155,444,858.30-30,233,167,287.45-18,441,228,768.70

Finding the Fourth Proportional to 20,155,444,858.30, 30,233,167,287.45 and 18,441,228,768.70

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Solution

The fourth proportional to 20,155,444,858.30, 30,233,167,287.45 and 18,441,228,768.70 is: 27,661,843,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,444,858.30 : 30,233,167,287.45 = 18,441,228,768.70 : x
  2. Step 2: Convert to fraction form
    20,155,444,858.30/30,233,167,287.45 = 18,441,228,768.70/x
  3. Step 3: Cross multiply
    20,155,444,858.30x = 30,233,167,287.45 × 18,441,228,768.70
  4. Step 4: Simplify right side
    20,155,444,858.30x = 557,536,754,350,242,725,888
  5. Step 5: Solve for x
    x = 557,536,754,350,242,725,888/20,155,444,858.30
  6. Step 6: Final answer
    x = 27,661,843,153.05

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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.