Home / 427,139,624.72-589,475,568.94-238,956,692.60

Finding the Fourth Proportional to 427,139,624.72, 589,475,568.94 and 238,956,692.60

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Solution

The fourth proportional to 427,139,624.72, 589,475,568.94 and 238,956,692.60 is: 329,773,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,139,624.72 : 589,475,568.94 = 238,956,692.60 : x
  2. Step 2: Convert to fraction form
    427,139,624.72/589,475,568.94 = 238,956,692.60/x
  3. Step 3: Cross multiply
    427,139,624.72x = 589,475,568.94 × 238,956,692.60
  4. Step 4: Simplify right side
    427,139,624.72x = 140,859,132,318,860,912
  5. Step 5: Solve for x
    x = 140,859,132,318,860,912/427,139,624.72
  6. Step 6: Final answer
    x = 329,773,039.47

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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.