Home / 345,548,712.85-518,323,069.28-335,982,774.85

Finding the Fourth Proportional to 345,548,712.85, 518,323,069.28 and 335,982,774.85

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Solution

The fourth proportional to 345,548,712.85, 518,323,069.28 and 335,982,774.85 is: 503,974,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,548,712.85 : 518,323,069.28 = 335,982,774.85 : x
  2. Step 2: Convert to fraction form
    345,548,712.85/518,323,069.28 = 335,982,774.85/x
  3. Step 3: Cross multiply
    345,548,712.85x = 518,323,069.28 × 335,982,774.85
  4. Step 4: Simplify right side
    345,548,712.85x = 174,147,623,083,783,296
  5. Step 5: Solve for x
    x = 174,147,623,083,783,296/345,548,712.85
  6. Step 6: Final answer
    x = 503,974,162.28

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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.