Home / 1,420,374,755-2,130,562,132.50-399,168,227

Finding the Fourth Proportional to 1,420,374,755, 2,130,562,132.50 and 399,168,227

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Solution

The fourth proportional to 1,420,374,755, 2,130,562,132.50 and 399,168,227 is: 598,752,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,374,755 : 2,130,562,132.50 = 399,168,227 : x
  2. Step 2: Convert to fraction form
    1,420,374,755/2,130,562,132.50 = 399,168,227/x
  3. Step 3: Cross multiply
    1,420,374,755x = 2,130,562,132.50 × 399,168,227
  4. Step 4: Simplify right side
    1,420,374,755x = 850,452,708,943,364,096
  5. Step 5: Solve for x
    x = 850,452,708,943,364,096/1,420,374,755
  6. Step 6: Final answer
    x = 598,752,340.50

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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.