Home / 1,200,891,340.20-1,802,498,987.33-579,543,975.80

Finding the Fourth Proportional to 1,200,891,340.20, 1,802,498,987.33 and 579,543,975.80

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Solution

The fourth proportional to 1,200,891,340.20, 1,802,498,987.33 and 579,543,975.80 is: 869,876,727.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,891,340.20 : 1,802,498,987.33 = 579,543,975.80 : x
  2. Step 2: Convert to fraction form
    1,200,891,340.20/1,802,498,987.33 = 579,543,975.80/x
  3. Step 3: Cross multiply
    1,200,891,340.20x = 1,802,498,987.33 × 579,543,975.80
  4. Step 4: Simplify right side
    1,200,891,340.20x = 1,044,627,429,480,791,808
  5. Step 5: Solve for x
    x = 1,044,627,429,480,791,808/1,200,891,340.20
  6. Step 6: Final answer
    x = 869,876,727.82

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Double scale
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1.5x scale

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.