Home / 18,787,472,774.32-28,181,217,144-5,522,731,986.34

Finding the Fourth Proportional to 18,787,472,774.32, 28,181,217,144 and 5,522,731,986.34

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Solution

The fourth proportional to 18,787,472,774.32, 28,181,217,144 and 5,522,731,986.34 is: 8,284,100,326.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787,472,774.32 : 28,181,217,144 = 5,522,731,986.34 : x
  2. Step 2: Convert to fraction form
    18,787,472,774.32/28,181,217,144 = 5,522,731,986.34/x
  3. Step 3: Cross multiply
    18,787,472,774.32x = 28,181,217,144 × 5,522,731,986.34
  4. Step 4: Simplify right side
    18,787,472,774.32x = 155,637,309,335,161,995,264
  5. Step 5: Solve for x
    x = 155,637,309,335,161,995,264/18,787,472,774.32
  6. Step 6: Final answer
    x = 8,284,100,326.04

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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.