Home / 867,694,438.01-1,197,592,122.72-515,466,103.25

Finding the Fourth Proportional to 867,694,438.01, 1,197,592,122.72 and 515,466,103.25

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Solution

The fourth proportional to 867,694,438.01, 1,197,592,122.72 and 515,466,103.25 is: 711,446,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,694,438.01 : 1,197,592,122.72 = 515,466,103.25 : x
  2. Step 2: Convert to fraction form
    867,694,438.01/1,197,592,122.72 = 515,466,103.25/x
  3. Step 3: Cross multiply
    867,694,438.01x = 1,197,592,122.72 × 515,466,103.25
  4. Step 4: Simplify right side
    867,694,438.01x = 617,318,144,775,386,240
  5. Step 5: Solve for x
    x = 617,318,144,775,386,240/867,694,438.01
  6. Step 6: Final answer
    x = 711,446,469.79

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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.