Home / 679,952,679.70-1,019,929,019.55-219,937,350.10

Finding the Fourth Proportional to 679,952,679.70, 1,019,929,019.55 and 219,937,350.10

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Solution

The fourth proportional to 679,952,679.70, 1,019,929,019.55 and 219,937,350.10 is: 329,906,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,952,679.70 : 1,019,929,019.55 = 219,937,350.10 : x
  2. Step 2: Convert to fraction form
    679,952,679.70/1,019,929,019.55 = 219,937,350.10/x
  3. Step 3: Cross multiply
    679,952,679.70x = 1,019,929,019.55 × 219,937,350.10
  4. Step 4: Simplify right side
    679,952,679.70x = 224,320,485,849,918,080
  5. Step 5: Solve for x
    x = 224,320,485,849,918,080/679,952,679.70
  6. Step 6: Final answer
    x = 329,906,025.15

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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.