Home / 909,428,906.70-1,364,143,360.05-327,182,147.10

Finding the Fourth Proportional to 909,428,906.70, 1,364,143,360.05 and 327,182,147.10

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Solution

The fourth proportional to 909,428,906.70, 1,364,143,360.05 and 327,182,147.10 is: 490,773,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,428,906.70 : 1,364,143,360.05 = 327,182,147.10 : x
  2. Step 2: Convert to fraction form
    909,428,906.70/1,364,143,360.05 = 327,182,147.10/x
  3. Step 3: Cross multiply
    909,428,906.70x = 1,364,143,360.05 × 327,182,147.10
  4. Step 4: Simplify right side
    909,428,906.70x = 446,323,353,493,367,360
  5. Step 5: Solve for x
    x = 446,323,353,493,367,360/909,428,906.70
  6. Step 6: Final answer
    x = 490,773,220.65

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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.