Home / 391,014,315.44-539,600,108.96-214,813,725.11

Finding the Fourth Proportional to 391,014,315.44, 539,600,108.96 and 214,813,725.11

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Solution

The fourth proportional to 391,014,315.44, 539,600,108.96 and 214,813,725.11 is: 296,443,134.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,014,315.44 : 539,600,108.96 = 214,813,725.11 : x
  2. Step 2: Convert to fraction form
    391,014,315.44/539,600,108.96 = 214,813,725.11/x
  3. Step 3: Cross multiply
    391,014,315.44x = 539,600,108.96 × 214,813,725.11
  4. Step 4: Simplify right side
    391,014,315.44x = 115,913,509,473,298,512
  5. Step 5: Solve for x
    x = 115,913,509,473,298,512/391,014,315.44
  6. Step 6: Final answer
    x = 296,443,134.94

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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.