Home / 480,508,697.61-663,107,221.91-282,278,547.41

Finding the Fourth Proportional to 480,508,697.61, 663,107,221.91 and 282,278,547.41

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Solution

The fourth proportional to 480,508,697.61, 663,107,221.91 and 282,278,547.41 is: 389,547,461.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,508,697.61 : 663,107,221.91 = 282,278,547.41 : x
  2. Step 2: Convert to fraction form
    480,508,697.61/663,107,221.91 = 282,278,547.41/x
  3. Step 3: Cross multiply
    480,508,697.61x = 663,107,221.91 × 282,278,547.41
  4. Step 4: Simplify right side
    480,508,697.61x = 187,180,943,375,225,472
  5. Step 5: Solve for x
    x = 187,180,943,375,225,472/480,508,697.61
  6. Step 6: Final answer
    x = 389,547,461.48

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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.