Home / 1,212,862,546.60-1,819,293,819.90-1,083,616,095.40

Finding the Fourth Proportional to 1,212,862,546.60, 1,819,293,819.90 and 1,083,616,095.40

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Solution

The fourth proportional to 1,212,862,546.60, 1,819,293,819.90 and 1,083,616,095.40 is: 1,625,424,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,862,546.60 : 1,819,293,819.90 = 1,083,616,095.40 : x
  2. Step 2: Convert to fraction form
    1,212,862,546.60/1,819,293,819.90 = 1,083,616,095.40/x
  3. Step 3: Cross multiply
    1,212,862,546.60x = 1,819,293,819.90 × 1,083,616,095.40
  4. Step 4: Simplify right side
    1,212,862,546.60x = 1,971,416,065,505,389,056
  5. Step 5: Solve for x
    x = 1,971,416,065,505,389,056/1,212,862,546.60
  6. Step 6: Final answer
    x = 1,625,424,143.10

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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.