Home / 541,909,357.14-747,774,936.99-300,499,262.78

Finding the Fourth Proportional to 541,909,357.14, 747,774,936.99 and 300,499,262.78

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Solution

The fourth proportional to 541,909,357.14, 747,774,936.99 and 300,499,262.78 is: 414,655,724.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,909,357.14 : 747,774,936.99 = 300,499,262.78 : x
  2. Step 2: Convert to fraction form
    541,909,357.14/747,774,936.99 = 300,499,262.78/x
  3. Step 3: Cross multiply
    541,909,357.14x = 747,774,936.99 × 300,499,262.78
  4. Step 4: Simplify right side
    541,909,357.14x = 224,705,817,292,725,408
  5. Step 5: Solve for x
    x = 224,705,817,292,725,408/541,909,357.14
  6. Step 6: Final answer
    x = 414,655,724.86

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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.