Home / 527,664,348,476-728,136,838,682.78-296,133,151,550.76

Finding the Fourth Proportional to 527,664,348,476, 728,136,838,682.78 and 296,133,151,550.76

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Solution

The fourth proportional to 527,664,348,476, 728,136,838,682.78 and 296,133,151,550.76 is: 408,641,321,745.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,664,348,476 : 728,136,838,682.78 = 296,133,151,550.76 : x
  2. Step 2: Convert to fraction form
    527,664,348,476/728,136,838,682.78 = 296,133,151,550.76/x
  3. Step 3: Cross multiply
    527,664,348,476x = 728,136,838,682.78 × 296,133,151,550.76
  4. Step 4: Simplify right side
    527,664,348,476x = 215,625,456,799,338,995,908,608
  5. Step 5: Solve for x
    x = 215,625,456,799,338,995,908,608/527,664,348,476
  6. Step 6: Final answer
    x = 408,641,321,745.74

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1.5x scale

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.