Home / 617,889,350.53-851,875,919.52-445,886,092.84

Finding the Fourth Proportional to 617,889,350.53, 851,875,919.52 and 445,886,092.84

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Solution

The fourth proportional to 617,889,350.53, 851,875,919.52 and 445,886,092.84 is: 614,737,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,889,350.53 : 851,875,919.52 = 445,886,092.84 : x
  2. Step 2: Convert to fraction form
    617,889,350.53/851,875,919.52 = 445,886,092.84/x
  3. Step 3: Cross multiply
    617,889,350.53x = 851,875,919.52 × 445,886,092.84
  4. Step 4: Simplify right side
    617,889,350.53x = 379,839,625,339,255,040
  5. Step 5: Solve for x
    x = 379,839,625,339,255,040/617,889,350.53
  6. Step 6: Final answer
    x = 614,737,290.77

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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.