Home / 1,222,143,409.92-1,833,197,165.12-302,019,723.84

Finding the Fourth Proportional to 1,222,143,409.92, 1,833,197,165.12 and 302,019,723.84

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Solution

The fourth proportional to 1,222,143,409.92, 1,833,197,165.12 and 302,019,723.84 is: 453,025,149.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,143,409.92 : 1,833,197,165.12 = 302,019,723.84 : x
  2. Step 2: Convert to fraction form
    1,222,143,409.92/1,833,197,165.12 = 302,019,723.84/x
  3. Step 3: Cross multiply
    1,222,143,409.92x = 1,833,197,165.12 × 302,019,723.84
  4. Step 4: Simplify right side
    1,222,143,409.92x = 553,661,701,553,813,184
  5. Step 5: Solve for x
    x = 553,661,701,553,813,184/1,222,143,409.92
  6. Step 6: Final answer
    x = 453,025,149.96

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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.