Home / 1,058,471,216.40-1,587,706,824.60-331,682,710.80

Finding the Fourth Proportional to 1,058,471,216.40, 1,587,706,824.60 and 331,682,710.80

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Solution

The fourth proportional to 1,058,471,216.40, 1,587,706,824.60 and 331,682,710.80 is: 497,524,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,471,216.40 : 1,587,706,824.60 = 331,682,710.80 : x
  2. Step 2: Convert to fraction form
    1,058,471,216.40/1,587,706,824.60 = 331,682,710.80/x
  3. Step 3: Cross multiply
    1,058,471,216.40x = 1,587,706,824.60 × 331,682,710.80
  4. Step 4: Simplify right side
    1,058,471,216.40x = 526,614,903,538,988,096
  5. Step 5: Solve for x
    x = 526,614,903,538,988,096/1,058,471,216.40
  6. Step 6: Final answer
    x = 497,524,066.20

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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.