Home / 1,431,745,279.92-2,146,225,087.16-684,566,885.48

Finding the Fourth Proportional to 1,431,745,279.92, 2,146,225,087.16 and 684,566,885.48

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Solution

The fourth proportional to 1,431,745,279.92, 2,146,225,087.16 and 684,566,885.48 is: 1,026,184,366.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,745,279.92 : 2,146,225,087.16 = 684,566,885.48 : x
  2. Step 2: Convert to fraction form
    1,431,745,279.92/2,146,225,087.16 = 684,566,885.48/x
  3. Step 3: Cross multiply
    1,431,745,279.92x = 2,146,225,087.16 × 684,566,885.48
  4. Step 4: Simplify right side
    1,431,745,279.92x = 1,469,234,623,456,162,816
  5. Step 5: Solve for x
    x = 1,469,234,623,456,162,816/1,431,745,279.92
  6. Step 6: Final answer
    x = 1,026,184,366.77

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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.