Home / 1,121,985,141.92-1,548,309,790.32-626,951,918.24

Finding the Fourth Proportional to 1,121,985,141.92, 1,548,309,790.32 and 626,951,918.24

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Solution

The fourth proportional to 1,121,985,141.92, 1,548,309,790.32 and 626,951,918.24 is: 865,177,048.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,985,141.92 : 1,548,309,790.32 = 626,951,918.24 : x
  2. Step 2: Convert to fraction form
    1,121,985,141.92/1,548,309,790.32 = 626,951,918.24/x
  3. Step 3: Cross multiply
    1,121,985,141.92x = 1,548,309,790.32 × 626,951,918.24
  4. Step 4: Simplify right side
    1,121,985,141.92x = 970,715,793,070,896,128
  5. Step 5: Solve for x
    x = 970,715,793,070,896,128/1,121,985,141.92
  6. Step 6: Final answer
    x = 865,177,048.08

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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.