Home / 649,315,764.69-896,031,749.67-351,951,622.52

Finding the Fourth Proportional to 649,315,764.69, 896,031,749.67 and 351,951,622.52

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Solution

The fourth proportional to 649,315,764.69, 896,031,749.67 and 351,951,622.52 is: 485,680,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,315,764.69 : 896,031,749.67 = 351,951,622.52 : x
  2. Step 2: Convert to fraction form
    649,315,764.69/896,031,749.67 = 351,951,622.52/x
  3. Step 3: Cross multiply
    649,315,764.69x = 896,031,749.67 × 351,951,622.52
  4. Step 4: Simplify right side
    649,315,764.69x = 315,359,828,121,310,784
  5. Step 5: Solve for x
    x = 315,359,828,121,310,784/649,315,764.69
  6. Step 6: Final answer
    x = 485,680,227.20

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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.