Home / 426,242,231.70-639,083,411.55-167,301,431.70

Finding the Fourth Proportional to 426,242,231.70, 639,083,411.55 and 167,301,431.70

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Solution

The fourth proportional to 426,242,231.70, 639,083,411.55 and 167,301,431.70 is: 250,842,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,242,231.70 : 639,083,411.55 = 167,301,431.70 : x
  2. Step 2: Convert to fraction form
    426,242,231.70/639,083,411.55 = 167,301,431.70/x
  3. Step 3: Cross multiply
    426,242,231.70x = 639,083,411.55 × 167,301,431.70
  4. Step 4: Simplify right side
    426,242,231.70x = 106,919,569,728,035,296
  5. Step 5: Solve for x
    x = 106,919,569,728,035,296/426,242,231.70
  6. Step 6: Final answer
    x = 250,842,271.78

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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.