Home / 465,428,892.60-698,143,338.90-206,369,119.80

Finding the Fourth Proportional to 465,428,892.60, 698,143,338.90 and 206,369,119.80

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Solution

The fourth proportional to 465,428,892.60, 698,143,338.90 and 206,369,119.80 is: 309,553,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,428,892.60 : 698,143,338.90 = 206,369,119.80 : x
  2. Step 2: Convert to fraction form
    465,428,892.60/698,143,338.90 = 206,369,119.80/x
  3. Step 3: Cross multiply
    465,428,892.60x = 698,143,338.90 × 206,369,119.80
  4. Step 4: Simplify right side
    465,428,892.60x = 144,075,226,343,026,096
  5. Step 5: Solve for x
    x = 144,075,226,343,026,096/465,428,892.60
  6. Step 6: Final answer
    x = 309,553,679.70

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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.