Home / 1,613,302,367.70-2,419,953,551.55-1,290,816,095.70

Finding the Fourth Proportional to 1,613,302,367.70, 2,419,953,551.55 and 1,290,816,095.70

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Solution

The fourth proportional to 1,613,302,367.70, 2,419,953,551.55 and 1,290,816,095.70 is: 1,936,224,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,302,367.70 : 2,419,953,551.55 = 1,290,816,095.70 : x
  2. Step 2: Convert to fraction form
    1,613,302,367.70/2,419,953,551.55 = 1,290,816,095.70/x
  3. Step 3: Cross multiply
    1,613,302,367.70x = 2,419,953,551.55 × 1,290,816,095.70
  4. Step 4: Simplify right side
    1,613,302,367.70x = 3,123,714,995,187,120,128
  5. Step 5: Solve for x
    x = 3,123,714,995,187,120,128/1,613,302,367.70
  6. Step 6: Final answer
    x = 1,936,224,143.55

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Double scale
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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.