Home / 916,708,571.66-1,375,108,463.91-261,756,775.82

Finding the Fourth Proportional to 916,708,571.66, 1,375,108,463.91 and 261,756,775.82

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Solution

The fourth proportional to 916,708,571.66, 1,375,108,463.91 and 261,756,775.82 is: 392,648,186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,708,571.66 : 1,375,108,463.91 = 261,756,775.82 : x
  2. Step 2: Convert to fraction form
    916,708,571.66/1,375,108,463.91 = 261,756,775.82/x
  3. Step 3: Cross multiply
    916,708,571.66x = 1,375,108,463.91 × 261,756,775.82
  4. Step 4: Simplify right side
    916,708,571.66x = 359,943,957,915,874,432
  5. Step 5: Solve for x
    x = 359,943,957,915,874,432/916,708,571.66
  6. Step 6: Final answer
    x = 392,648,186.18

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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.