Home / 2,720,147,478.10-4,080,221,217.15-996,637,513.30

Finding the Fourth Proportional to 2,720,147,478.10, 4,080,221,217.15 and 996,637,513.30

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Solution

The fourth proportional to 2,720,147,478.10, 4,080,221,217.15 and 996,637,513.30 is: 1,494,956,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,147,478.10 : 4,080,221,217.15 = 996,637,513.30 : x
  2. Step 2: Convert to fraction form
    2,720,147,478.10/4,080,221,217.15 = 996,637,513.30/x
  3. Step 3: Cross multiply
    2,720,147,478.10x = 4,080,221,217.15 × 996,637,513.30
  4. Step 4: Simplify right side
    2,720,147,478.10x = 4,066,501,527,574,275,072
  5. Step 5: Solve for x
    x = 4,066,501,527,574,275,072/2,720,147,478.10
  6. Step 6: Final answer
    x = 1,494,956,269.95

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Double scale
Find fourth proportional to 2,720,147,479.10, 4,080,221,218.65 and 996,637,514.30
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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.