Home / 543,013,044.90-749,732,906.25-508,320,576.42

Finding the Fourth Proportional to 543,013,044.90, 749,732,906.25 and 508,320,576.42

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Solution

The fourth proportional to 543,013,044.90, 749,732,906.25 and 508,320,576.42 is: 701,833,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,013,044.90 : 749,732,906.25 = 508,320,576.42 : x
  2. Step 2: Convert to fraction form
    543,013,044.90/749,732,906.25 = 508,320,576.42/x
  3. Step 3: Cross multiply
    543,013,044.90x = 749,732,906.25 × 508,320,576.42
  4. Step 4: Simplify right side
    543,013,044.90x = 381,104,663,066,041,856
  5. Step 5: Solve for x
    x = 381,104,663,066,041,856/543,013,044.90
  6. Step 6: Final answer
    x = 701,833,347.55

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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.