Home / 743,088,645.20-1,114,632,967.80-225,518,255.30

Finding the Fourth Proportional to 743,088,645.20, 1,114,632,967.80 and 225,518,255.30

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Solution

The fourth proportional to 743,088,645.20, 1,114,632,967.80 and 225,518,255.30 is: 338,277,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,088,645.20 : 1,114,632,967.80 = 225,518,255.30 : x
  2. Step 2: Convert to fraction form
    743,088,645.20/1,114,632,967.80 = 225,518,255.30/x
  3. Step 3: Cross multiply
    743,088,645.20x = 1,114,632,967.80 × 225,518,255.30
  4. Step 4: Simplify right side
    743,088,645.20x = 251,370,082,198,117,088
  5. Step 5: Solve for x
    x = 251,370,082,198,117,088/743,088,645.20
  6. Step 6: Final answer
    x = 338,277,382.95

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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.