Home / 1,179,887,629.60-1,769,831,444.40-743,680,856.80

Finding the Fourth Proportional to 1,179,887,629.60, 1,769,831,444.40 and 743,680,856.80

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Solution

The fourth proportional to 1,179,887,629.60, 1,769,831,444.40 and 743,680,856.80 is: 1,115,521,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,887,629.60 : 1,769,831,444.40 = 743,680,856.80 : x
  2. Step 2: Convert to fraction form
    1,179,887,629.60/1,769,831,444.40 = 743,680,856.80/x
  3. Step 3: Cross multiply
    1,179,887,629.60x = 1,769,831,444.40 × 743,680,856.80
  4. Step 4: Simplify right side
    1,179,887,629.60x = 1,316,189,764,962,973,440
  5. Step 5: Solve for x
    x = 1,316,189,764,962,973,440/1,179,887,629.60
  6. Step 6: Final answer
    x = 1,115,521,285.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.