Home / 1,161,367,581.35-1,602,879,471.82-685,174,370.31

Finding the Fourth Proportional to 1,161,367,581.35, 1,602,879,471.82 and 685,174,370.31

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Solution

The fourth proportional to 1,161,367,581.35, 1,602,879,471.82 and 685,174,370.31 is: 945,654,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,367,581.35 : 1,602,879,471.82 = 685,174,370.31 : x
  2. Step 2: Convert to fraction form
    1,161,367,581.35/1,602,879,471.82 = 685,174,370.31/x
  3. Step 3: Cross multiply
    1,161,367,581.35x = 1,602,879,471.82 × 685,174,370.31
  4. Step 4: Simplify right side
    1,161,367,581.35x = 1,098,251,932,791,733,888
  5. Step 5: Solve for x
    x = 1,098,251,932,791,733,888/1,161,367,581.35
  6. Step 6: Final answer
    x = 945,654,029.29

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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.