Home / 1,090,147,708.80-1,635,221,563.20-1,005,967,454.40

Finding the Fourth Proportional to 1,090,147,708.80, 1,635,221,563.20 and 1,005,967,454.40

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Solution

The fourth proportional to 1,090,147,708.80, 1,635,221,563.20 and 1,005,967,454.40 is: 1,508,951,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,147,708.80 : 1,635,221,563.20 = 1,005,967,454.40 : x
  2. Step 2: Convert to fraction form
    1,090,147,708.80/1,635,221,563.20 = 1,005,967,454.40/x
  3. Step 3: Cross multiply
    1,090,147,708.80x = 1,635,221,563.20 × 1,005,967,454.40
  4. Step 4: Simplify right side
    1,090,147,708.80x = 1,644,979,673,312,292,608
  5. Step 5: Solve for x
    x = 1,644,979,673,312,292,608/1,090,147,708.80
  6. Step 6: Final answer
    x = 1,508,951,181.60

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Double scale
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1.5x scale

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.