Home / 17,909,037,214.40-26,863,555,821.60-8,587,987,227.20

Finding the Fourth Proportional to 17,909,037,214.40, 26,863,555,821.60 and 8,587,987,227.20

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Solution

The fourth proportional to 17,909,037,214.40, 26,863,555,821.60 and 8,587,987,227.20 is: 12,881,980,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909,037,214.40 : 26,863,555,821.60 = 8,587,987,227.20 : x
  2. Step 2: Convert to fraction form
    17,909,037,214.40/26,863,555,821.60 = 8,587,987,227.20/x
  3. Step 3: Cross multiply
    17,909,037,214.40x = 26,863,555,821.60 × 8,587,987,227.20
  4. Step 4: Simplify right side
    17,909,037,214.40x = 230,703,874,273,074,970,624
  5. Step 5: Solve for x
    x = 230,703,874,273,074,970,624/17,909,037,214.40
  6. Step 6: Final answer
    x = 12,881,980,840.80

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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.