Home / 8,083,355,947.20-12,125,033,920.80-3,945,453,969.60

Finding the Fourth Proportional to 8,083,355,947.20, 12,125,033,920.80 and 3,945,453,969.60

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Solution

The fourth proportional to 8,083,355,947.20, 12,125,033,920.80 and 3,945,453,969.60 is: 5,918,180,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083,355,947.20 : 12,125,033,920.80 = 3,945,453,969.60 : x
  2. Step 2: Convert to fraction form
    8,083,355,947.20/12,125,033,920.80 = 3,945,453,969.60/x
  3. Step 3: Cross multiply
    8,083,355,947.20x = 12,125,033,920.80 × 3,945,453,969.60
  4. Step 4: Simplify right side
    8,083,355,947.20x = 47,838,763,214,355,005,440
  5. Step 5: Solve for x
    x = 47,838,763,214,355,005,440/8,083,355,947.20
  6. Step 6: Final answer
    x = 5,918,180,954.40

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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.