Home / 510,693,631.62-766,148,047.92-165,620,351.76

Finding the Fourth Proportional to 510,693,631.62, 766,148,047.92 and 165,620,351.76

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Solution

The fourth proportional to 510,693,631.62, 766,148,047.92 and 165,620,351.76 is: 248,465,422.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,693,631.62 : 766,148,047.92 = 165,620,351.76 : x
  2. Step 2: Convert to fraction form
    510,693,631.62/766,148,047.92 = 165,620,351.76/x
  3. Step 3: Cross multiply
    510,693,631.62x = 766,148,047.92 × 165,620,351.76
  4. Step 4: Simplify right side
    510,693,631.62x = 126,889,709,196,747,728
  5. Step 5: Solve for x
    x = 126,889,709,196,747,728/510,693,631.62
  6. Step 6: Final answer
    x = 248,465,422.99

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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.