Home / 527,664,348,477.95-728,136,838,685.55-296,133,151,552.72

Finding the Fourth Proportional to 527,664,348,477.95, 728,136,838,685.55 and 296,133,151,552.72

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Solution

The fourth proportional to 527,664,348,477.95, 728,136,838,685.55 and 296,133,151,552.72 is: 408,641,321,748.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,664,348,477.95 : 728,136,838,685.55 = 296,133,151,552.72 : x
  2. Step 2: Convert to fraction form
    527,664,348,477.95/728,136,838,685.55 = 296,133,151,552.72/x
  3. Step 3: Cross multiply
    527,664,348,477.95x = 728,136,838,685.55 × 296,133,151,552.72
  4. Step 4: Simplify right side
    527,664,348,477.95x = 215,625,456,801,586,404,655,104
  5. Step 5: Solve for x
    x = 215,625,456,801,586,404,655,104/527,664,348,477.95
  6. Step 6: Final answer
    x = 408,641,321,748.49

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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.