Home / 466,256,043.73-643,723,722.12-296,805,891.41

Finding the Fourth Proportional to 466,256,043.73, 643,723,722.12 and 296,805,891.41

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Solution

The fourth proportional to 466,256,043.73, 643,723,722.12 and 296,805,891.41 is: 409,776,979.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,256,043.73 : 643,723,722.12 = 296,805,891.41 : x
  2. Step 2: Convert to fraction form
    466,256,043.73/643,723,722.12 = 296,805,891.41/x
  3. Step 3: Cross multiply
    466,256,043.73x = 643,723,722.12 × 296,805,891.41
  4. Step 4: Simplify right side
    466,256,043.73x = 191,060,993,162,371,104
  5. Step 5: Solve for x
    x = 191,060,993,162,371,104/466,256,043.73
  6. Step 6: Final answer
    x = 409,776,979.26

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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.