Home / 383,650,641.44-529,416,147.39-216,376,904.88

Finding the Fourth Proportional to 383,650,641.44, 529,416,147.39 and 216,376,904.88

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Solution

The fourth proportional to 383,650,641.44, 529,416,147.39 and 216,376,904.88 is: 298,587,868.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,650,641.44 : 529,416,147.39 = 216,376,904.88 : x
  2. Step 2: Convert to fraction form
    383,650,641.44/529,416,147.39 = 216,376,904.88/x
  3. Step 3: Cross multiply
    383,650,641.44x = 529,416,147.39 × 216,376,904.88
  4. Step 4: Simplify right side
    383,650,641.44x = 114,553,427,364,660,208
  5. Step 5: Solve for x
    x = 114,553,427,364,660,208/383,650,641.44
  6. Step 6: Final answer
    x = 298,587,868.73

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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.