Home / 543,656,884.44-815,151,586.20-211,275,799.77

Finding the Fourth Proportional to 543,656,884.44, 815,151,586.20 and 211,275,799.77

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Solution

The fourth proportional to 543,656,884.44, 815,151,586.20 and 211,275,799.77 is: 316,784,001.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,656,884.44 : 815,151,586.20 = 211,275,799.77 : x
  2. Step 2: Convert to fraction form
    543,656,884.44/815,151,586.20 = 211,275,799.77/x
  3. Step 3: Cross multiply
    543,656,884.44x = 815,151,586.20 × 211,275,799.77
  4. Step 4: Simplify right side
    543,656,884.44x = 172,221,803,308,189,120
  5. Step 5: Solve for x
    x = 172,221,803,308,189,120/543,656,884.44
  6. Step 6: Final answer
    x = 316,784,001.52

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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.