Home / 289,708,375.32-400,850,314.02-252,616,002.12

Finding the Fourth Proportional to 289,708,375.32, 400,850,314.02 and 252,616,002.12

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Solution

The fourth proportional to 289,708,375.32, 400,850,314.02 and 252,616,002.12 is: 349,528,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,708,375.32 : 400,850,314.02 = 252,616,002.12 : x
  2. Step 2: Convert to fraction form
    289,708,375.32/400,850,314.02 = 252,616,002.12/x
  3. Step 3: Cross multiply
    289,708,375.32x = 400,850,314.02 × 252,616,002.12
  4. Step 4: Simplify right side
    289,708,375.32x = 101,261,203,776,278,976
  5. Step 5: Solve for x
    x = 101,261,203,776,278,976/289,708,375.32
  6. Step 6: Final answer
    x = 349,528,050.97

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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.