Home / 1,180,217,615.60-1,770,326,423.40-835,560,412.40

Finding the Fourth Proportional to 1,180,217,615.60, 1,770,326,423.40 and 835,560,412.40

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Solution

The fourth proportional to 1,180,217,615.60, 1,770,326,423.40 and 835,560,412.40 is: 1,253,340,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,217,615.60 : 1,770,326,423.40 = 835,560,412.40 : x
  2. Step 2: Convert to fraction form
    1,180,217,615.60/1,770,326,423.40 = 835,560,412.40/x
  3. Step 3: Cross multiply
    1,180,217,615.60x = 1,770,326,423.40 × 835,560,412.40
  4. Step 4: Simplify right side
    1,180,217,615.60x = 1,479,214,676,418,721,024
  5. Step 5: Solve for x
    x = 1,479,214,676,418,721,024/1,180,217,615.60
  6. Step 6: Final answer
    x = 1,253,340,618.60

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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.