Home / 1,189,879,294.14-1,642,073,301.63-661,265,560.26

Finding the Fourth Proportional to 1,189,879,294.14, 1,642,073,301.63 and 661,265,560.26

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Solution

The fourth proportional to 1,189,879,294.14, 1,642,073,301.63 and 661,265,560.26 is: 912,568,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,879,294.14 : 1,642,073,301.63 = 661,265,560.26 : x
  2. Step 2: Convert to fraction form
    1,189,879,294.14/1,642,073,301.63 = 661,265,560.26/x
  3. Step 3: Cross multiply
    1,189,879,294.14x = 1,642,073,301.63 × 661,265,560.26
  4. Step 4: Simplify right side
    1,189,879,294.14x = 1,085,846,521,790,349,952
  5. Step 5: Solve for x
    x = 1,085,846,521,790,349,952/1,189,879,294.14
  6. Step 6: Final answer
    x = 912,568,633.76

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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.