Home / 2,172,019,162.60-3,258,028,743.90-791,878,695.40

Finding the Fourth Proportional to 2,172,019,162.60, 3,258,028,743.90 and 791,878,695.40

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Solution

The fourth proportional to 2,172,019,162.60, 3,258,028,743.90 and 791,878,695.40 is: 1,187,818,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,019,162.60 : 3,258,028,743.90 = 791,878,695.40 : x
  2. Step 2: Convert to fraction form
    2,172,019,162.60/3,258,028,743.90 = 791,878,695.40/x
  3. Step 3: Cross multiply
    2,172,019,162.60x = 3,258,028,743.90 × 791,878,695.40
  4. Step 4: Simplify right side
    2,172,019,162.60x = 2,579,963,551,295,232,512
  5. Step 5: Solve for x
    x = 2,579,963,551,295,232,512/2,172,019,162.60
  6. Step 6: Final answer
    x = 1,187,818,043.10

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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.