Home / 331,756,356.18-457,823,966.22-185,078,640.18

Finding the Fourth Proportional to 331,756,356.18, 457,823,966.22 and 185,078,640.18

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Solution

The fourth proportional to 331,756,356.18, 457,823,966.22 and 185,078,640.18 is: 255,408,632.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,756,356.18 : 457,823,966.22 = 185,078,640.18 : x
  2. Step 2: Convert to fraction form
    331,756,356.18/457,823,966.22 = 185,078,640.18/x
  3. Step 3: Cross multiply
    331,756,356.18x = 457,823,966.22 × 185,078,640.18
  4. Step 4: Simplify right side
    331,756,356.18x = 84,733,437,109,811,856
  5. Step 5: Solve for x
    x = 84,733,437,109,811,856/331,756,356.18
  6. Step 6: Final answer
    x = 255,408,632.06

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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.