Home / 465,443,795.10-698,165,692.65-206,384,022.30

Finding the Fourth Proportional to 465,443,795.10, 698,165,692.65 and 206,384,022.30

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Solution

The fourth proportional to 465,443,795.10, 698,165,692.65 and 206,384,022.30 is: 309,576,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,443,795.10 : 698,165,692.65 = 206,384,022.30 : x
  2. Step 2: Convert to fraction form
    465,443,795.10/698,165,692.65 = 206,384,022.30/x
  3. Step 3: Cross multiply
    465,443,795.10x = 698,165,692.65 × 206,384,022.30
  4. Step 4: Simplify right side
    465,443,795.10x = 144,090,243,880,972,544
  5. Step 5: Solve for x
    x = 144,090,243,880,972,544/465,443,795.10
  6. Step 6: Final answer
    x = 309,576,033.45

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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.