Home / 527,664,348,479.61-728,136,838,687.71-296,133,151,554.40

Finding the Fourth Proportional to 527,664,348,479.61, 728,136,838,687.71 and 296,133,151,554.40

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Solution

The fourth proportional to 527,664,348,479.61, 728,136,838,687.71 and 296,133,151,554.40 is: 408,641,321,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,664,348,479.61 : 728,136,838,687.71 = 296,133,151,554.40 : x
  2. Step 2: Convert to fraction form
    527,664,348,479.61/728,136,838,687.71 = 296,133,151,554.40/x
  3. Step 3: Cross multiply
    527,664,348,479.61x = 728,136,838,687.71 × 296,133,151,554.40
  4. Step 4: Simplify right side
    527,664,348,479.61x = 215,625,456,803,449,346,719,744
  5. Step 5: Solve for x
    x = 215,625,456,803,449,346,719,744/527,664,348,479.61
  6. Step 6: Final answer
    x = 408,641,321,750.74

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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.