Home / 738,065,111.20-1,107,109,476.60-192,806,645.20

Finding the Fourth Proportional to 738,065,111.20, 1,107,109,476.60 and 192,806,645.20

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Solution

The fourth proportional to 738,065,111.20, 1,107,109,476.60 and 192,806,645.20 is: 289,213,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,065,111.20 : 1,107,109,476.60 = 192,806,645.20 : x
  2. Step 2: Convert to fraction form
    738,065,111.20/1,107,109,476.60 = 192,806,645.20/x
  3. Step 3: Cross multiply
    738,065,111.20x = 1,107,109,476.60 × 192,806,645.20
  4. Step 4: Simplify right side
    738,065,111.20x = 213,458,064,052,373,856
  5. Step 5: Solve for x
    x = 213,458,064,052,373,856/738,065,111.20
  6. Step 6: Final answer
    x = 289,213,052.90

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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.