Home / 527,664,348,478.71-728,136,838,686.45-296,133,151,553.47

Finding the Fourth Proportional to 527,664,348,478.71, 728,136,838,686.45 and 296,133,151,553.47

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Solution

The fourth proportional to 527,664,348,478.71, 728,136,838,686.45 and 296,133,151,553.47 is: 408,641,321,749.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,664,348,478.71 : 728,136,838,686.45 = 296,133,151,553.47 : x
  2. Step 2: Convert to fraction form
    527,664,348,478.71/728,136,838,686.45 = 296,133,151,553.47/x
  3. Step 3: Cross multiply
    527,664,348,478.71x = 728,136,838,686.45 × 296,133,151,553.47
  4. Step 4: Simplify right side
    527,664,348,478.71x = 215,625,456,802,398,992,334,848
  5. Step 5: Solve for x
    x = 215,625,456,802,398,992,334,848/527,664,348,478.71
  6. Step 6: Final answer
    x = 408,641,321,749.44

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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.