Home / 2,130,759,201.20-3,196,138,801.80-676,883,591.60

Finding the Fourth Proportional to 2,130,759,201.20, 3,196,138,801.80 and 676,883,591.60

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Solution

The fourth proportional to 2,130,759,201.20, 3,196,138,801.80 and 676,883,591.60 is: 1,015,325,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,759,201.20 : 3,196,138,801.80 = 676,883,591.60 : x
  2. Step 2: Convert to fraction form
    2,130,759,201.20/3,196,138,801.80 = 676,883,591.60/x
  3. Step 3: Cross multiply
    2,130,759,201.20x = 3,196,138,801.80 × 676,883,591.60
  4. Step 4: Simplify right side
    2,130,759,201.20x = 2,163,413,911,414,504,704
  5. Step 5: Solve for x
    x = 2,163,413,911,414,504,704/2,130,759,201.20
  6. Step 6: Final answer
    x = 1,015,325,387.40

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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.