Home / 1,262,450,435,478.10-1,893,484,317,579.20-343,591,378,517.66

Finding the Fourth Proportional to 1,262,450,435,478.10, 1,893,484,317,579.20 and 343,591,378,517.66

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Solution

The fourth proportional to 1,262,450,435,478.10, 1,893,484,317,579.20 and 343,591,378,517.66 is: 515,334,993,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,450,435,478.10 : 1,893,484,317,579.20 = 343,591,378,517.66 : x
  2. Step 2: Convert to fraction form
    1,262,450,435,478.10/1,893,484,317,579.20 = 343,591,378,517.66/x
  3. Step 3: Cross multiply
    1,262,450,435,478.10x = 1,893,484,317,579.20 × 343,591,378,517.66
  4. Step 4: Simplify right side
    1,262,450,435,478.10x = 650,584,886,878,607,947,857,920
  5. Step 5: Solve for x
    x = 650,584,886,878,607,947,857,920/1,262,450,435,478.10
  6. Step 6: Final answer
    x = 515,334,993,434.60

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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.