Home / 523,255,910.48-722,109,521.20-300,278,389.96

Finding the Fourth Proportional to 523,255,910.48, 722,109,521.20 and 300,278,389.96

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Solution

The fourth proportional to 523,255,910.48, 722,109,521.20 and 300,278,389.96 is: 414,393,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,255,910.48 : 722,109,521.20 = 300,278,389.96 : x
  2. Step 2: Convert to fraction form
    523,255,910.48/722,109,521.20 = 300,278,389.96/x
  3. Step 3: Cross multiply
    523,255,910.48x = 722,109,521.20 × 300,278,389.96
  4. Step 4: Simplify right side
    523,255,910.48x = 216,833,884,400,722,496
  5. Step 5: Solve for x
    x = 216,833,884,400,722,496/523,255,910.48
  6. Step 6: Final answer
    x = 414,393,569.30

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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.