Home / 18,380,230,282.38-25,376,429,124.57-15,001,199,727.45

Finding the Fourth Proportional to 18,380,230,282.38, 25,376,429,124.57 and 15,001,199,727.45

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Solution

The fourth proportional to 18,380,230,282.38, 25,376,429,124.57 and 15,001,199,727.45 is: 20,711,213,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380,230,282.38 : 25,376,429,124.57 = 15,001,199,727.45 : x
  2. Step 2: Convert to fraction form
    18,380,230,282.38/25,376,429,124.57 = 15,001,199,727.45/x
  3. Step 3: Cross multiply
    18,380,230,282.38x = 25,376,429,124.57 × 15,001,199,727.45
  4. Step 4: Simplify right side
    18,380,230,282.38x = 380,676,881,667,107,586,048
  5. Step 5: Solve for x
    x = 380,676,881,667,107,586,048/18,380,230,282.38
  6. Step 6: Final answer
    x = 20,711,213,941.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.