Home / 283,534,638.30-425,301,957.45-215,510,190.30

Finding the Fourth Proportional to 283,534,638.30, 425,301,957.45 and 215,510,190.30

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Solution

The fourth proportional to 283,534,638.30, 425,301,957.45 and 215,510,190.30 is: 323,265,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,534,638.30 : 425,301,957.45 = 215,510,190.30 : x
  2. Step 2: Convert to fraction form
    283,534,638.30/425,301,957.45 = 215,510,190.30/x
  3. Step 3: Cross multiply
    283,534,638.30x = 425,301,957.45 × 215,510,190.30
  4. Step 4: Simplify right side
    283,534,638.30x = 91,656,905,785,012,000
  5. Step 5: Solve for x
    x = 91,656,905,785,012,000/283,534,638.30
  6. Step 6: Final answer
    x = 323,265,285.45

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Double scale
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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.