Home / 465,719,463,035.40-698,579,194,553.10-386,220,778,692.60

Finding the Fourth Proportional to 465,719,463,035.40, 698,579,194,553.10 and 386,220,778,692.60

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Solution

The fourth proportional to 465,719,463,035.40, 698,579,194,553.10 and 386,220,778,692.60 is: 579,331,168,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,719,463,035.40 : 698,579,194,553.10 = 386,220,778,692.60 : x
  2. Step 2: Convert to fraction form
    465,719,463,035.40/698,579,194,553.10 = 386,220,778,692.60/x
  3. Step 3: Cross multiply
    465,719,463,035.40x = 698,579,194,553.10 × 386,220,778,692.60
  4. Step 4: Simplify right side
    465,719,463,035.40x = 269,805,800,498,747,576,156,160
  5. Step 5: Solve for x
    x = 269,805,800,498,747,576,156,160/465,719,463,035.40
  6. Step 6: Final answer
    x = 579,331,168,038.90

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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.