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Finding the Fourth Proportional to 906,733,336.95, 1,360,197,203.00 and 251,687,140.47

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Solution

The fourth proportional to 906,733,336.95, 1,360,197,203.00 and 251,687,140.47 is: 377,557,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,733,336.95 : 1,360,197,203.00 = 251,687,140.47 : x
  2. Step 2: Convert to fraction form
    906,733,336.95/1,360,197,203.00 = 251,687,140.47/x
  3. Step 3: Cross multiply
    906,733,336.95x = 1,360,197,203.00 × 251,687,140.47
  4. Step 4: Simplify right side
    906,733,336.95x = 342,344,144,497,103,616
  5. Step 5: Solve for x
    x = 342,344,144,497,103,616/906,733,336.95
  6. Step 6: Final answer
    x = 377,557,690.39

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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.