Home / 434,682,738.30-652,024,107.45-391,684,568.70

Finding the Fourth Proportional to 434,682,738.30, 652,024,107.45 and 391,684,568.70

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Solution

The fourth proportional to 434,682,738.30, 652,024,107.45 and 391,684,568.70 is: 587,526,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,682,738.30 : 652,024,107.45 = 391,684,568.70 : x
  2. Step 2: Convert to fraction form
    434,682,738.30/652,024,107.45 = 391,684,568.70/x
  3. Step 3: Cross multiply
    434,682,738.30x = 652,024,107.45 × 391,684,568.70
  4. Step 4: Simplify right side
    434,682,738.30x = 255,387,781,308,555,712
  5. Step 5: Solve for x
    x = 255,387,781,308,555,712/434,682,738.30
  6. Step 6: Final answer
    x = 587,526,853.05

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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.