Home / 340,639,329,739.28-469,980,220,933.30-196,119,743,658.72

Finding the Fourth Proportional to 340,639,329,739.28, 469,980,220,933.30 and 196,119,743,658.72

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Solution

The fourth proportional to 340,639,329,739.28, 469,980,220,933.30 and 196,119,743,658.72 is: 270,586,489,600.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,639,329,739.28 : 469,980,220,933.30 = 196,119,743,658.72 : x
  2. Step 2: Convert to fraction form
    340,639,329,739.28/469,980,220,933.30 = 196,119,743,658.72/x
  3. Step 3: Cross multiply
    340,639,329,739.28x = 469,980,220,933.30 × 196,119,743,658.72
  4. Step 4: Simplify right side
    340,639,329,739.28x = 92,172,400,454,107,381,366,784
  5. Step 5: Solve for x
    x = 92,172,400,454,107,381,366,784/340,639,329,739.28
  6. Step 6: Final answer
    x = 270,586,489,600.76

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1.5x scale

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.