Home / 527,044,147.81-727,320,992.91-292,109,975.73

Finding the Fourth Proportional to 527,044,147.81, 727,320,992.91 and 292,109,975.73

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Solution

The fourth proportional to 527,044,147.81, 727,320,992.91 and 292,109,975.73 is: 403,111,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,044,147.81 : 727,320,992.91 = 292,109,975.73 : x
  2. Step 2: Convert to fraction form
    527,044,147.81/727,320,992.91 = 292,109,975.73/x
  3. Step 3: Cross multiply
    527,044,147.81x = 727,320,992.91 × 292,109,975.73
  4. Step 4: Simplify right side
    527,044,147.81x = 212,457,717,586,859,616
  5. Step 5: Solve for x
    x = 212,457,717,586,859,616/527,044,147.81
  6. Step 6: Final answer
    x = 403,111,804.71

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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.