Home / 719,726,822.20-1,079,590,233.30-447,629,030.20

Finding the Fourth Proportional to 719,726,822.20, 1,079,590,233.30 and 447,629,030.20

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Solution

The fourth proportional to 719,726,822.20, 1,079,590,233.30 and 447,629,030.20 is: 671,443,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,726,822.20 : 1,079,590,233.30 = 447,629,030.20 : x
  2. Step 2: Convert to fraction form
    719,726,822.20/1,079,590,233.30 = 447,629,030.20/x
  3. Step 3: Cross multiply
    719,726,822.20x = 1,079,590,233.30 × 447,629,030.20
  4. Step 4: Simplify right side
    719,726,822.20x = 483,255,929,145,470,720
  5. Step 5: Solve for x
    x = 483,255,929,145,470,720/719,726,822.20
  6. Step 6: Final answer
    x = 671,443,545.30

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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.