Home / 531,363,353.10-797,194,328.85-258,743,013.90

Finding the Fourth Proportional to 531,363,353.10, 797,194,328.85 and 258,743,013.90

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Solution

The fourth proportional to 531,363,353.10, 797,194,328.85 and 258,743,013.90 is: 388,187,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,363,353.10 : 797,194,328.85 = 258,743,013.90 : x
  2. Step 2: Convert to fraction form
    531,363,353.10/797,194,328.85 = 258,743,013.90/x
  3. Step 3: Cross multiply
    531,363,353.10x = 797,194,328.85 × 258,743,013.90
  4. Step 4: Simplify right side
    531,363,353.10x = 206,268,463,310,636,736
  5. Step 5: Solve for x
    x = 206,268,463,310,636,736/531,363,353.10
  6. Step 6: Final answer
    x = 388,187,220.87

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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.