Home / 1,107,622,120.21-1,528,989,170.03-690,140,671.04

Finding the Fourth Proportional to 1,107,622,120.21, 1,528,989,170.03 and 690,140,671.04

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Solution

The fourth proportional to 1,107,622,120.21, 1,528,989,170.03 and 690,140,671.04 is: 952,687,376.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,622,120.21 : 1,528,989,170.03 = 690,140,671.04 : x
  2. Step 2: Convert to fraction form
    1,107,622,120.21/1,528,989,170.03 = 690,140,671.04/x
  3. Step 3: Cross multiply
    1,107,622,120.21x = 1,528,989,170.03 × 690,140,671.04
  4. Step 4: Simplify right side
    1,107,622,120.21x = 1,055,217,611,817,396,736
  5. Step 5: Solve for x
    x = 1,055,217,611,817,396,736/1,107,622,120.21
  6. Step 6: Final answer
    x = 952,687,376.46

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.