Home / 18,787,472,775.32-28,181,217,145.50-5,522,731,987.34

Finding the Fourth Proportional to 18,787,472,775.32, 28,181,217,145.50 and 5,522,731,987.34

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Solution

The fourth proportional to 18,787,472,775.32, 28,181,217,145.50 and 5,522,731,987.34 is: 8,284,100,327.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787,472,775.32 : 28,181,217,145.50 = 5,522,731,987.34 : x
  2. Step 2: Convert to fraction form
    18,787,472,775.32/28,181,217,145.50 = 5,522,731,987.34/x
  3. Step 3: Cross multiply
    18,787,472,775.32x = 28,181,217,145.50 × 5,522,731,987.34
  4. Step 4: Simplify right side
    18,787,472,775.32x = 155,637,309,371,627,307,008
  5. Step 5: Solve for x
    x = 155,637,309,371,627,307,008/18,787,472,775.32
  6. Step 6: Final answer
    x = 8,284,100,327.54

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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.