Home / 1,253,400,187.60-1,880,100,281.40-1,227,919,790.80

Finding the Fourth Proportional to 1,253,400,187.60, 1,880,100,281.40 and 1,227,919,790.80

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Solution

The fourth proportional to 1,253,400,187.60, 1,880,100,281.40 and 1,227,919,790.80 is: 1,841,879,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,400,187.60 : 1,880,100,281.40 = 1,227,919,790.80 : x
  2. Step 2: Convert to fraction form
    1,253,400,187.60/1,880,100,281.40 = 1,227,919,790.80/x
  3. Step 3: Cross multiply
    1,253,400,187.60x = 1,880,100,281.40 × 1,227,919,790.80
  4. Step 4: Simplify right side
    1,253,400,187.60x = 2,308,612,344,219,708,928
  5. Step 5: Solve for x
    x = 2,308,612,344,219,708,928/1,253,400,187.60
  6. Step 6: Final answer
    x = 1,841,879,686.20

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Double scale
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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.