Home / 980,136,031.20-1,470,204,046.80-366,640,540.80

Finding the Fourth Proportional to 980,136,031.20, 1,470,204,046.80 and 366,640,540.80

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Solution

The fourth proportional to 980,136,031.20, 1,470,204,046.80 and 366,640,540.80 is: 549,960,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,136,031.20 : 1,470,204,046.80 = 366,640,540.80 : x
  2. Step 2: Convert to fraction form
    980,136,031.20/1,470,204,046.80 = 366,640,540.80/x
  3. Step 3: Cross multiply
    980,136,031.20x = 1,470,204,046.80 × 366,640,540.80
  4. Step 4: Simplify right side
    980,136,031.20x = 539,036,406,805,100,480
  5. Step 5: Solve for x
    x = 539,036,406,805,100,480/980,136,031.20
  6. Step 6: Final answer
    x = 549,960,811.20

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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.