Home / 2,172,019,157.60-3,258,028,736.40-791,878,690.40

Finding the Fourth Proportional to 2,172,019,157.60, 3,258,028,736.40 and 791,878,690.40

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Solution

The fourth proportional to 2,172,019,157.60, 3,258,028,736.40 and 791,878,690.40 is: 1,187,818,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,019,157.60 : 3,258,028,736.40 = 791,878,690.40 : x
  2. Step 2: Convert to fraction form
    2,172,019,157.60/3,258,028,736.40 = 791,878,690.40/x
  3. Step 3: Cross multiply
    2,172,019,157.60x = 3,258,028,736.40 × 791,878,690.40
  4. Step 4: Simplify right side
    2,172,019,157.60x = 2,579,963,529,065,998,848
  5. Step 5: Solve for x
    x = 2,579,963,529,065,998,848/2,172,019,157.60
  6. Step 6: Final answer
    x = 1,187,818,035.60

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1.5x scale

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.