Home / 547,623,617.61-755,721,256.59-296,727,815.43

Finding the Fourth Proportional to 547,623,617.61, 755,721,256.59 and 296,727,815.43

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Solution

The fourth proportional to 547,623,617.61, 755,721,256.59 and 296,727,815.43 is: 409,484,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,623,617.61 : 755,721,256.59 = 296,727,815.43 : x
  2. Step 2: Convert to fraction form
    547,623,617.61/755,721,256.59 = 296,727,815.43/x
  3. Step 3: Cross multiply
    547,623,617.61x = 755,721,256.59 × 296,727,815.43
  4. Step 4: Simplify right side
    547,623,617.61x = 224,243,517,541,965,216
  5. Step 5: Solve for x
    x = 224,243,517,541,965,216/547,623,617.61
  6. Step 6: Final answer
    x = 409,484,745.24

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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.