Home / 1,327,707,550.60-1,991,561,325.90-638,960,014.60

Finding the Fourth Proportional to 1,327,707,550.60, 1,991,561,325.90 and 638,960,014.60

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Solution

The fourth proportional to 1,327,707,550.60, 1,991,561,325.90 and 638,960,014.60 is: 958,440,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,707,550.60 : 1,991,561,325.90 = 638,960,014.60 : x
  2. Step 2: Convert to fraction form
    1,327,707,550.60/1,991,561,325.90 = 638,960,014.60/x
  3. Step 3: Cross multiply
    1,327,707,550.60x = 1,991,561,325.90 × 638,960,014.60
  4. Step 4: Simplify right side
    1,327,707,550.60x = 1,272,528,053,873,859,584
  5. Step 5: Solve for x
    x = 1,272,528,053,873,859,584/1,327,707,550.60
  6. Step 6: Final answer
    x = 958,440,021.90

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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.