Home / 617,889,362.73-851,875,936.30-445,886,105.05

Finding the Fourth Proportional to 617,889,362.73, 851,875,936.30 and 445,886,105.05

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Solution

The fourth proportional to 617,889,362.73, 851,875,936.30 and 445,886,105.05 is: 614,737,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,889,362.73 : 851,875,936.30 = 445,886,105.05 : x
  2. Step 2: Convert to fraction form
    617,889,362.73/851,875,936.30 = 445,886,105.05/x
  3. Step 3: Cross multiply
    617,889,362.73x = 851,875,936.30 × 445,886,105.05
  4. Step 4: Simplify right side
    617,889,362.73x = 379,839,643,222,628,928
  5. Step 5: Solve for x
    x = 379,839,643,222,628,928/617,889,362.73
  6. Step 6: Final answer
    x = 614,737,307.57

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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.