Home / 645,682,762.50-968,344,811.91-179,236,948.74

Finding the Fourth Proportional to 645,682,762.50, 968,344,811.91 and 179,236,948.74

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Solution

The fourth proportional to 645,682,762.50, 968,344,811.91 and 179,236,948.74 is: 268,805,641.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,682,762.50 : 968,344,811.91 = 179,236,948.74 : x
  2. Step 2: Convert to fraction form
    645,682,762.50/968,344,811.91 = 179,236,948.74/x
  3. Step 3: Cross multiply
    645,682,762.50x = 968,344,811.91 × 179,236,948.74
  4. Step 4: Simplify right side
    645,682,762.50x = 173,563,169,414,957,600
  5. Step 5: Solve for x
    x = 173,563,169,414,957,600/645,682,762.50
  6. Step 6: Final answer
    x = 268,805,641.86

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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.