Home / 684,288,049.20-1,026,432,073.80-411,518,410.80

Finding the Fourth Proportional to 684,288,049.20, 1,026,432,073.80 and 411,518,410.80

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Solution

The fourth proportional to 684,288,049.20, 1,026,432,073.80 and 411,518,410.80 is: 617,277,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,288,049.20 : 1,026,432,073.80 = 411,518,410.80 : x
  2. Step 2: Convert to fraction form
    684,288,049.20/1,026,432,073.80 = 411,518,410.80/x
  3. Step 3: Cross multiply
    684,288,049.20x = 1,026,432,073.80 × 411,518,410.80
  4. Step 4: Simplify right side
    684,288,049.20x = 422,395,695,804,324,288
  5. Step 5: Solve for x
    x = 422,395,695,804,324,288/684,288,049.20
  6. Step 6: Final answer
    x = 617,277,616.20

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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.