Home / 578,982,619.22-799,002,185.54-314,664,626.12

Finding the Fourth Proportional to 578,982,619.22, 799,002,185.54 and 314,664,626.12

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Solution

The fourth proportional to 578,982,619.22, 799,002,185.54 and 314,664,626.12 is: 434,240,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,982,619.22 : 799,002,185.54 = 314,664,626.12 : x
  2. Step 2: Convert to fraction form
    578,982,619.22/799,002,185.54 = 314,664,626.12/x
  3. Step 3: Cross multiply
    578,982,619.22x = 799,002,185.54 × 314,664,626.12
  4. Step 4: Simplify right side
    578,982,619.22x = 251,417,723,976,438,624
  5. Step 5: Solve for x
    x = 251,417,723,976,438,624/578,982,619.22
  6. Step 6: Final answer
    x = 434,240,537.85

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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.