Home / 385,808,324.92-532,419,219.84-209,597,581.24

Finding the Fourth Proportional to 385,808,324.92, 532,419,219.84 and 209,597,581.24

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Solution

The fourth proportional to 385,808,324.92, 532,419,219.84 and 209,597,581.24 is: 289,246,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,808,324.92 : 532,419,219.84 = 209,597,581.24 : x
  2. Step 2: Convert to fraction form
    385,808,324.92/532,419,219.84 = 209,597,581.24/x
  3. Step 3: Cross multiply
    385,808,324.92x = 532,419,219.84 × 209,597,581.24
  4. Step 4: Simplify right side
    385,808,324.92x = 111,593,780,684,151,824
  5. Step 5: Solve for x
    x = 111,593,780,684,151,824/385,808,324.92
  6. Step 6: Final answer
    x = 289,246,689.29

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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.