Home / 1,090,147,161.30-1,635,220,741.95-1,005,966,906.90

Finding the Fourth Proportional to 1,090,147,161.30, 1,635,220,741.95 and 1,005,966,906.90

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Solution

The fourth proportional to 1,090,147,161.30, 1,635,220,741.95 and 1,005,966,906.90 is: 1,508,950,360.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,147,161.30 : 1,635,220,741.95 = 1,005,966,906.90 : x
  2. Step 2: Convert to fraction form
    1,090,147,161.30/1,635,220,741.95 = 1,005,966,906.90/x
  3. Step 3: Cross multiply
    1,090,147,161.30x = 1,635,220,741.95 × 1,005,966,906.90
  4. Step 4: Simplify right side
    1,090,147,161.30x = 1,644,977,951,878,164,480
  5. Step 5: Solve for x
    x = 1,644,977,951,878,164,480/1,090,147,161.30
  6. Step 6: Final answer
    x = 1,508,950,360.35

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Double scale
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Similar ratio
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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.