Home / 723,844,432.20-1,085,808,638.70-206,312,752.20

Finding the Fourth Proportional to 723,844,432.20, 1,085,808,638.70 and 206,312,752.20

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Solution

The fourth proportional to 723,844,432.20, 1,085,808,638.70 and 206,312,752.20 is: 309,481,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,844,432.20 : 1,085,808,638.70 = 206,312,752.20 : x
  2. Step 2: Convert to fraction form
    723,844,432.20/1,085,808,638.70 = 206,312,752.20/x
  3. Step 3: Cross multiply
    723,844,432.20x = 1,085,808,638.70 × 206,312,752.20
  4. Step 4: Simplify right side
    723,844,432.20x = 224,016,168,612,732,416
  5. Step 5: Solve for x
    x = 224,016,168,612,732,416/723,844,432.20
  6. Step 6: Final answer
    x = 309,481,096.56

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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.