Home / 645,682,761-968,344,809.66-179,236,947.24

Finding the Fourth Proportional to 645,682,761, 968,344,809.66 and 179,236,947.24

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Solution

The fourth proportional to 645,682,761, 968,344,809.66 and 179,236,947.24 is: 268,805,639.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,682,761 : 968,344,809.66 = 179,236,947.24 : x
  2. Step 2: Convert to fraction form
    645,682,761/968,344,809.66 = 179,236,947.24/x
  3. Step 3: Cross multiply
    645,682,761x = 968,344,809.66 × 179,236,947.24
  4. Step 4: Simplify right side
    645,682,761x = 173,563,167,559,157,280
  5. Step 5: Solve for x
    x = 173,563,167,559,157,280/645,682,761
  6. Step 6: Final answer
    x = 268,805,639.62

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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.