Home / 790,712,788.92-1,186,605,025.50-324,458,505.86

Finding the Fourth Proportional to 790,712,788.92, 1,186,605,025.50 and 324,458,505.86

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Solution

The fourth proportional to 790,712,788.92, 1,186,605,025.50 and 324,458,505.86 is: 486,907,634.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,712,788.92 : 1,186,605,025.50 = 324,458,505.86 : x
  2. Step 2: Convert to fraction form
    790,712,788.92/1,186,605,025.50 = 324,458,505.86/x
  3. Step 3: Cross multiply
    790,712,788.92x = 1,186,605,025.50 × 324,458,505.86
  4. Step 4: Simplify right side
    790,712,788.92x = 385,004,093,619,697,216
  5. Step 5: Solve for x
    x = 385,004,093,619,697,216/790,712,788.92
  6. Step 6: Final answer
    x = 486,907,634.50

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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.