Home / 480,508,701.61-663,107,227.44-282,278,551.41

Finding the Fourth Proportional to 480,508,701.61, 663,107,227.44 and 282,278,551.41

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Solution

The fourth proportional to 480,508,701.61, 663,107,227.44 and 282,278,551.41 is: 389,547,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,508,701.61 : 663,107,227.44 = 282,278,551.41 : x
  2. Step 2: Convert to fraction form
    480,508,701.61/663,107,227.44 = 282,278,551.41/x
  3. Step 3: Cross multiply
    480,508,701.61x = 663,107,227.44 × 282,278,551.41
  4. Step 4: Simplify right side
    480,508,701.61x = 187,180,947,591,264,640
  5. Step 5: Solve for x
    x = 187,180,947,591,264,640/480,508,701.61
  6. Step 6: Final answer
    x = 389,547,467.02

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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.