Home / 1,116,831,003.60-1,675,246,505.40-742,324,530.90

Finding the Fourth Proportional to 1,116,831,003.60, 1,675,246,505.40 and 742,324,530.90

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Solution

The fourth proportional to 1,116,831,003.60, 1,675,246,505.40 and 742,324,530.90 is: 1,113,486,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,831,003.60 : 1,675,246,505.40 = 742,324,530.90 : x
  2. Step 2: Convert to fraction form
    1,116,831,003.60/1,675,246,505.40 = 742,324,530.90/x
  3. Step 3: Cross multiply
    1,116,831,003.60x = 1,675,246,505.40 × 742,324,530.90
  4. Step 4: Simplify right side
    1,116,831,003.60x = 1,243,576,576,262,919,424
  5. Step 5: Solve for x
    x = 1,243,576,576,262,919,424/1,116,831,003.60
  6. Step 6: Final answer
    x = 1,113,486,796.35

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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.