Home / 1,090,147,138.80-1,635,220,708.20-1,005,966,884.40

Finding the Fourth Proportional to 1,090,147,138.80, 1,635,220,708.20 and 1,005,966,884.40

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Solution

The fourth proportional to 1,090,147,138.80, 1,635,220,708.20 and 1,005,966,884.40 is: 1,508,950,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,147,138.80 : 1,635,220,708.20 = 1,005,966,884.40 : x
  2. Step 2: Convert to fraction form
    1,090,147,138.80/1,635,220,708.20 = 1,005,966,884.40/x
  3. Step 3: Cross multiply
    1,090,147,138.80x = 1,635,220,708.20 × 1,005,966,884.40
  4. Step 4: Simplify right side
    1,090,147,138.80x = 1,644,977,881,134,315,520
  5. Step 5: Solve for x
    x = 1,644,977,881,134,315,520/1,090,147,138.80
  6. Step 6: Final answer
    x = 1,508,950,326.60

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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.