Home / 649,315,760.10-896,031,743.23-351,951,617.77

Finding the Fourth Proportional to 649,315,760.10, 896,031,743.23 and 351,951,617.77

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Solution

The fourth proportional to 649,315,760.10, 896,031,743.23 and 351,951,617.77 is: 485,680,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,315,760.10 : 896,031,743.23 = 351,951,617.77 : x
  2. Step 2: Convert to fraction form
    649,315,760.10/896,031,743.23 = 351,951,617.77/x
  3. Step 3: Cross multiply
    649,315,760.10x = 896,031,743.23 × 351,951,617.77
  4. Step 4: Simplify right side
    649,315,760.10x = 315,359,821,601,271,616
  5. Step 5: Solve for x
    x = 315,359,821,601,271,616/649,315,760.10
  6. Step 6: Final answer
    x = 485,680,220.60

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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.