Home / 1,116,831,005.10-1,675,246,507.65-742,324,532.40

Finding the Fourth Proportional to 1,116,831,005.10, 1,675,246,507.65 and 742,324,532.40

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Solution

The fourth proportional to 1,116,831,005.10, 1,675,246,507.65 and 742,324,532.40 is: 1,113,486,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,831,005.10 : 1,675,246,507.65 = 742,324,532.40 : x
  2. Step 2: Convert to fraction form
    1,116,831,005.10/1,675,246,507.65 = 742,324,532.40/x
  3. Step 3: Cross multiply
    1,116,831,005.10x = 1,675,246,507.65 × 742,324,532.40
  4. Step 4: Simplify right side
    1,116,831,005.10x = 1,243,576,580,446,019,328
  5. Step 5: Solve for x
    x = 1,243,576,580,446,019,328/1,116,831,005.10
  6. Step 6: Final answer
    x = 1,113,486,798.60

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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.