Home / 513,216,006.30-769,824,009.45-349,957,331.10

Finding the Fourth Proportional to 513,216,006.30, 769,824,009.45 and 349,957,331.10

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Solution

The fourth proportional to 513,216,006.30, 769,824,009.45 and 349,957,331.10 is: 524,935,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,216,006.30 : 769,824,009.45 = 349,957,331.10 : x
  2. Step 2: Convert to fraction form
    513,216,006.30/769,824,009.45 = 349,957,331.10/x
  3. Step 3: Cross multiply
    513,216,006.30x = 769,824,009.45 × 349,957,331.10
  4. Step 4: Simplify right side
    513,216,006.30x = 269,405,555,763,823,200
  5. Step 5: Solve for x
    x = 269,405,555,763,823,200/513,216,006.30
  6. Step 6: Final answer
    x = 524,935,996.65

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Similar ratio
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1.5x scale

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.