Home / 468,262,688.18-702,164,190.38-231,638,815.90

Finding the Fourth Proportional to 468,262,688.18, 702,164,190.38 and 231,638,815.90

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Solution

The fourth proportional to 468,262,688.18, 702,164,190.38 and 231,638,815.90 is: 347,344,526.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,262,688.18 : 702,164,190.38 = 231,638,815.90 : x
  2. Step 2: Convert to fraction form
    468,262,688.18/702,164,190.38 = 231,638,815.90/x
  3. Step 3: Cross multiply
    468,262,688.18x = 702,164,190.38 × 231,638,815.90
  4. Step 4: Simplify right side
    468,262,688.18x = 162,648,481,625,727,584
  5. Step 5: Solve for x
    x = 162,648,481,625,727,584/468,262,688.18
  6. Step 6: Final answer
    x = 347,344,526.33

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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.