Home / 654,434,438.80-981,651,658.20-169,760,246.80

Finding the Fourth Proportional to 654,434,438.80, 981,651,658.20 and 169,760,246.80

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Solution

The fourth proportional to 654,434,438.80, 981,651,658.20 and 169,760,246.80 is: 254,640,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,434,438.80 : 981,651,658.20 = 169,760,246.80 : x
  2. Step 2: Convert to fraction form
    654,434,438.80/981,651,658.20 = 169,760,246.80/x
  3. Step 3: Cross multiply
    654,434,438.80x = 981,651,658.20 × 169,760,246.80
  4. Step 4: Simplify right side
    654,434,438.80x = 166,645,427,767,661,248
  5. Step 5: Solve for x
    x = 166,645,427,767,661,248/654,434,438.80
  6. Step 6: Final answer
    x = 254,640,370.20

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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.