Home / 1,548,339,626.60-2,319,324,390.30-782,866,039.40

Finding the Fourth Proportional to 1,548,339,626.60, 2,319,324,390.30 and 782,866,039.40

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Solution

The fourth proportional to 1,548,339,626.60, 2,319,324,390.30 and 782,866,039.40 is: 1,172,688,645.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,339,626.60 : 2,319,324,390.30 = 782,866,039.40 : x
  2. Step 2: Convert to fraction form
    1,548,339,626.60/2,319,324,390.30 = 782,866,039.40/x
  3. Step 3: Cross multiply
    1,548,339,626.60x = 2,319,324,390.30 × 782,866,039.40
  4. Step 4: Simplify right side
    1,548,339,626.60x = 1,815,720,299,517,980,928
  5. Step 5: Solve for x
    x = 1,815,720,299,517,980,928/1,548,339,626.60
  6. Step 6: Final answer
    x = 1,172,688,645.52

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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.