Home / 383,650,642.44-529,416,148.76-216,376,905.88

Finding the Fourth Proportional to 383,650,642.44, 529,416,148.76 and 216,376,905.88

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Solution

The fourth proportional to 383,650,642.44, 529,416,148.76 and 216,376,905.88 is: 298,587,870.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,650,642.44 : 529,416,148.76 = 216,376,905.88 : x
  2. Step 2: Convert to fraction form
    383,650,642.44/529,416,148.76 = 216,376,905.88/x
  3. Step 3: Cross multiply
    383,650,642.44x = 529,416,148.76 × 216,376,905.88
  4. Step 4: Simplify right side
    383,650,642.44x = 114,553,428,191,594,592
  5. Step 5: Solve for x
    x = 114,553,428,191,594,592/383,650,642.44
  6. Step 6: Final answer
    x = 298,587,870.11

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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.