Home / 628,614,459.06-943,067,586.03-214,094,871.57

Finding the Fourth Proportional to 628,614,459.06, 943,067,586.03 and 214,094,871.57

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Solution

The fourth proportional to 628,614,459.06, 943,067,586.03 and 214,094,871.57 is: 321,191,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,614,459.06 : 943,067,586.03 = 214,094,871.57 : x
  2. Step 2: Convert to fraction form
    628,614,459.06/943,067,586.03 = 214,094,871.57/x
  3. Step 3: Cross multiply
    628,614,459.06x = 943,067,586.03 × 214,094,871.57
  4. Step 4: Simplify right side
    628,614,459.06x = 201,905,933,712,922,752
  5. Step 5: Solve for x
    x = 201,905,933,712,922,752/628,614,459.06
  6. Step 6: Final answer
    x = 321,191,997.42

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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.