Home / 500,582,575.67-690,740,460.14-274,462,053.69

Finding the Fourth Proportional to 500,582,575.67, 690,740,460.14 and 274,462,053.69

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Solution

The fourth proportional to 500,582,575.67, 690,740,460.14 and 274,462,053.69 is: 378,722,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,582,575.67 : 690,740,460.14 = 274,462,053.69 : x
  2. Step 2: Convert to fraction form
    500,582,575.67/690,740,460.14 = 274,462,053.69/x
  3. Step 3: Cross multiply
    500,582,575.67x = 690,740,460.14 × 274,462,053.69
  4. Step 4: Simplify right side
    500,582,575.67x = 189,582,045,257,486,144
  5. Step 5: Solve for x
    x = 189,582,045,257,486,144/500,582,575.67
  6. Step 6: Final answer
    x = 378,722,821.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.