Home / 527,044,143.68-727,320,987.22-292,109,971.61

Finding the Fourth Proportional to 527,044,143.68, 727,320,987.22 and 292,109,971.61

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Solution

The fourth proportional to 527,044,143.68, 727,320,987.22 and 292,109,971.61 is: 403,111,799.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,044,143.68 : 727,320,987.22 = 292,109,971.61 : x
  2. Step 2: Convert to fraction form
    527,044,143.68/727,320,987.22 = 292,109,971.61/x
  3. Step 3: Cross multiply
    527,044,143.68x = 727,320,987.22 × 292,109,971.61
  4. Step 4: Simplify right side
    527,044,143.68x = 212,457,712,925,285,056
  5. Step 5: Solve for x
    x = 212,457,712,925,285,056/527,044,143.68
  6. Step 6: Final answer
    x = 403,111,799.02

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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.