Home / 6,121,446,201.80-9,182,169,302.70-1,981,308,235.40

Finding the Fourth Proportional to 6,121,446,201.80, 9,182,169,302.70 and 1,981,308,235.40

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Solution

The fourth proportional to 6,121,446,201.80, 9,182,169,302.70 and 1,981,308,235.40 is: 2,971,962,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121,446,201.80 : 9,182,169,302.70 = 1,981,308,235.40 : x
  2. Step 2: Convert to fraction form
    6,121,446,201.80/9,182,169,302.70 = 1,981,308,235.40/x
  3. Step 3: Cross multiply
    6,121,446,201.80x = 9,182,169,302.70 × 1,981,308,235.40
  4. Step 4: Simplify right side
    6,121,446,201.80x = 18,192,707,658,276,587,520
  5. Step 5: Solve for x
    x = 18,192,707,658,276,587,520/6,121,446,201.80
  6. Step 6: Final answer
    x = 2,971,962,353.10

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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.