Home / 418,972,183.18-578,251,970.04-242,870,335.90

Finding the Fourth Proportional to 418,972,183.18, 578,251,970.04 and 242,870,335.90

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Solution

The fourth proportional to 418,972,183.18, 578,251,970.04 and 242,870,335.90 is: 335,201,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,972,183.18 : 578,251,970.04 = 242,870,335.90 : x
  2. Step 2: Convert to fraction form
    418,972,183.18/578,251,970.04 = 242,870,335.90/x
  3. Step 3: Cross multiply
    418,972,183.18x = 578,251,970.04 × 242,870,335.90
  4. Step 4: Simplify right side
    418,972,183.18x = 140,440,250,198,451,536
  5. Step 5: Solve for x
    x = 140,440,250,198,451,536/418,972,183.18
  6. Step 6: Final answer
    x = 335,201,848.32

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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.