Home / 1,485,348,836.60-2,228,023,254.90-394,831,904.60

Finding the Fourth Proportional to 1,485,348,836.60, 2,228,023,254.90 and 394,831,904.60

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Solution

The fourth proportional to 1,485,348,836.60, 2,228,023,254.90 and 394,831,904.60 is: 592,247,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,348,836.60 : 2,228,023,254.90 = 394,831,904.60 : x
  2. Step 2: Convert to fraction form
    1,485,348,836.60/2,228,023,254.90 = 394,831,904.60/x
  3. Step 3: Cross multiply
    1,485,348,836.60x = 2,228,023,254.90 × 394,831,904.60
  4. Step 4: Simplify right side
    1,485,348,836.60x = 879,694,665,225,258,368
  5. Step 5: Solve for x
    x = 879,694,665,225,258,368/1,485,348,836.60
  6. Step 6: Final answer
    x = 592,247,856.90

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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.