Home / 1,803,090,719.92-2,700,748,816.44-1,217,605,450.72

Finding the Fourth Proportional to 1,803,090,719.92, 2,700,748,816.44 and 1,217,605,450.72

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Solution

The fourth proportional to 1,803,090,719.92, 2,700,748,816.44 and 1,217,605,450.72 is: 1,823,783,153.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,090,719.92 : 2,700,748,816.44 = 1,217,605,450.72 : x
  2. Step 2: Convert to fraction form
    1,803,090,719.92/2,700,748,816.44 = 1,217,605,450.72/x
  3. Step 3: Cross multiply
    1,803,090,719.92x = 2,700,748,816.44 × 1,217,605,450.72
  4. Step 4: Simplify right side
    1,803,090,719.92x = 3,288,446,479,922,932,736
  5. Step 5: Solve for x
    x = 3,288,446,479,922,932,736/1,803,090,719.92
  6. Step 6: Final answer
    x = 1,823,783,153.89

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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.