Home / 391,203,037.40-586,804,556.10-350,388,368.60

Finding the Fourth Proportional to 391,203,037.40, 586,804,556.10 and 350,388,368.60

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Solution

The fourth proportional to 391,203,037.40, 586,804,556.10 and 350,388,368.60 is: 525,582,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,203,037.40 : 586,804,556.10 = 350,388,368.60 : x
  2. Step 2: Convert to fraction form
    391,203,037.40/586,804,556.10 = 350,388,368.60/x
  3. Step 3: Cross multiply
    391,203,037.40x = 586,804,556.10 × 350,388,368.60
  4. Step 4: Simplify right side
    391,203,037.40x = 205,609,491,098,926,208
  5. Step 5: Solve for x
    x = 205,609,491,098,926,208/391,203,037.40
  6. Step 6: Final answer
    x = 525,582,552.90

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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.