Home / 434,682,600.30-652,023,900.45-391,684,430.70

Finding the Fourth Proportional to 434,682,600.30, 652,023,900.45 and 391,684,430.70

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Solution

The fourth proportional to 434,682,600.30, 652,023,900.45 and 391,684,430.70 is: 587,526,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,682,600.30 : 652,023,900.45 = 391,684,430.70 : x
  2. Step 2: Convert to fraction form
    434,682,600.30/652,023,900.45 = 391,684,430.70/x
  3. Step 3: Cross multiply
    434,682,600.30x = 652,023,900.45 × 391,684,430.70
  4. Step 4: Simplify right side
    434,682,600.30x = 255,387,610,250,551,744
  5. Step 5: Solve for x
    x = 255,387,610,250,551,744/434,682,600.30
  6. Step 6: Final answer
    x = 587,526,646.05

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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.