Home / 448,492,251.78-672,719,211.55-153,413,757.28

Finding the Fourth Proportional to 448,492,251.78, 672,719,211.55 and 153,413,757.28

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Solution

The fourth proportional to 448,492,251.78, 672,719,211.55 and 153,413,757.28 is: 230,114,079.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,492,251.78 : 672,719,211.55 = 153,413,757.28 : x
  2. Step 2: Convert to fraction form
    448,492,251.78/672,719,211.55 = 153,413,757.28/x
  3. Step 3: Cross multiply
    448,492,251.78x = 672,719,211.55 × 153,413,757.28
  4. Step 4: Simplify right side
    448,492,251.78x = 103,204,381,837,557,600
  5. Step 5: Solve for x
    x = 103,204,381,837,557,600/448,492,251.78
  6. Step 6: Final answer
    x = 230,114,079.85

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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.