Home / 439,082,820.40-658,624,230.60-115,966,692.40

Finding the Fourth Proportional to 439,082,820.40, 658,624,230.60 and 115,966,692.40

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Solution

The fourth proportional to 439,082,820.40, 658,624,230.60 and 115,966,692.40 is: 173,950,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,082,820.40 : 658,624,230.60 = 115,966,692.40 : x
  2. Step 2: Convert to fraction form
    439,082,820.40/658,624,230.60 = 115,966,692.40/x
  3. Step 3: Cross multiply
    439,082,820.40x = 658,624,230.60 × 115,966,692.40
  4. Step 4: Simplify right side
    439,082,820.40x = 76,378,473,557,176,880
  5. Step 5: Solve for x
    x = 76,378,473,557,176,880/439,082,820.40
  6. Step 6: Final answer
    x = 173,950,038.60

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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.