Home / 20,155,397,324.70-30,233,095,987.05-14,931,119,718.30

Finding the Fourth Proportional to 20,155,397,324.70, 30,233,095,987.05 and 14,931,119,718.30

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Solution

The fourth proportional to 20,155,397,324.70, 30,233,095,987.05 and 14,931,119,718.30 is: 22,396,679,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,397,324.70 : 30,233,095,987.05 = 14,931,119,718.30 : x
  2. Step 2: Convert to fraction form
    20,155,397,324.70/30,233,095,987.05 = 14,931,119,718.30/x
  3. Step 3: Cross multiply
    20,155,397,324.70x = 30,233,095,987.05 × 14,931,119,718.30
  4. Step 4: Simplify right side
    20,155,397,324.70x = 451,413,975,637,498,789,888
  5. Step 5: Solve for x
    x = 451,413,975,637,498,789,888/20,155,397,324.70
  6. Step 6: Final answer
    x = 22,396,679,577.45

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Double scale
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Similar ratio
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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.