Home / 31,707,746,151.84-47,560,542,042.24-8,126,214,648.48

Finding the Fourth Proportional to 31,707,746,151.84, 47,560,542,042.24 and 8,126,214,648.48

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Solution

The fourth proportional to 31,707,746,151.84, 47,560,542,042.24 and 8,126,214,648.48 is: 12,189,045,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707,746,151.84 : 47,560,542,042.24 = 8,126,214,648.48 : x
  2. Step 2: Convert to fraction form
    31,707,746,151.84/47,560,542,042.24 = 8,126,214,648.48/x
  3. Step 3: Cross multiply
    31,707,746,151.84x = 47,560,542,042.24 × 8,126,214,648.48
  4. Step 4: Simplify right side
    31,707,746,151.84x = 386,487,173,433,299,566,592
  5. Step 5: Solve for x
    x = 386,487,173,433,299,566,592/31,707,746,151.84
  6. Step 6: Final answer
    x = 12,189,045,906.40

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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.