Home / 1,212,862,543.60-1,819,293,815.40-1,083,616,092.40

Finding the Fourth Proportional to 1,212,862,543.60, 1,819,293,815.40 and 1,083,616,092.40

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Solution

The fourth proportional to 1,212,862,543.60, 1,819,293,815.40 and 1,083,616,092.40 is: 1,625,424,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,862,543.60 : 1,819,293,815.40 = 1,083,616,092.40 : x
  2. Step 2: Convert to fraction form
    1,212,862,543.60/1,819,293,815.40 = 1,083,616,092.40/x
  3. Step 3: Cross multiply
    1,212,862,543.60x = 1,819,293,815.40 × 1,083,616,092.40
  4. Step 4: Simplify right side
    1,212,862,543.60x = 1,971,416,055,171,235,328
  5. Step 5: Solve for x
    x = 1,971,416,055,171,235,328/1,212,862,543.60
  6. Step 6: Final answer
    x = 1,625,424,138.60

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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.