Home / 3,072,049,161.69-4,239,435,212.45-1,662,368,251.26

Finding the Fourth Proportional to 3,072,049,161.69, 4,239,435,212.45 and 1,662,368,251.26

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Solution

The fourth proportional to 3,072,049,161.69, 4,239,435,212.45 and 1,662,368,251.26 is: 2,294,072,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,049,161.69 : 4,239,435,212.45 = 1,662,368,251.26 : x
  2. Step 2: Convert to fraction form
    3,072,049,161.69/4,239,435,212.45 = 1,662,368,251.26/x
  3. Step 3: Cross multiply
    3,072,049,161.69x = 4,239,435,212.45 × 1,662,368,251.26
  4. Step 4: Simplify right side
    3,072,049,161.69x = 7,047,502,500,454,728,704
  5. Step 5: Solve for x
    x = 7,047,502,500,454,728,704/3,072,049,161.69
  6. Step 6: Final answer
    x = 2,294,072,174.48

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Double scale
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1.5x scale

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.