Home / 527,677,195,825.72-728,136,263,639.76-296,137,608,918.52

Finding the Fourth Proportional to 527,677,195,825.72, 728,136,263,639.76 and 296,137,608,918.52

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Solution

The fourth proportional to 527,677,195,825.72, 728,136,263,639.76 and 296,137,608,918.52 is: 408,637,200,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,677,195,825.72 : 728,136,263,639.76 = 296,137,608,918.52 : x
  2. Step 2: Convert to fraction form
    527,677,195,825.72/728,136,263,639.76 = 296,137,608,918.52/x
  3. Step 3: Cross multiply
    527,677,195,825.72x = 728,136,263,639.76 × 296,137,608,918.52
  4. Step 4: Simplify right side
    527,677,195,825.72x = 215,628,532,081,143,639,441,408
  5. Step 5: Solve for x
    x = 215,628,532,081,143,639,441,408/527,677,195,825.72
  6. Step 6: Final answer
    x = 408,637,200,521.28

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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.