Home / 394,220,339,671.20-591,324,047,510.40-125,605,670,885.76

Finding the Fourth Proportional to 394,220,339,671.20, 591,324,047,510.40 and 125,605,670,885.76

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Solution

The fourth proportional to 394,220,339,671.20, 591,324,047,510.40 and 125,605,670,885.76 is: 188,406,447,420.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,220,339,671.20 : 591,324,047,510.40 = 125,605,670,885.76 : x
  2. Step 2: Convert to fraction form
    394,220,339,671.20/591,324,047,510.40 = 125,605,670,885.76/x
  3. Step 3: Cross multiply
    394,220,339,671.20x = 591,324,047,510.40 × 125,605,670,885.76
  4. Step 4: Simplify right side
    394,220,339,671.20x = 74,273,653,698,426,816,167,936
  5. Step 5: Solve for x
    x = 74,273,653,698,426,816,167,936/394,220,339,671.20
  6. Step 6: Final answer
    x = 188,406,447,420.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.