Home / 347,730,186.80-521,595,280.20-311,450,481.20

Finding the Fourth Proportional to 347,730,186.80, 521,595,280.20 and 311,450,481.20

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Solution

The fourth proportional to 347,730,186.80, 521,595,280.20 and 311,450,481.20 is: 467,175,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,730,186.80 : 521,595,280.20 = 311,450,481.20 : x
  2. Step 2: Convert to fraction form
    347,730,186.80/521,595,280.20 = 311,450,481.20/x
  3. Step 3: Cross multiply
    347,730,186.80x = 521,595,280.20 × 311,450,481.20
  4. Step 4: Simplify right side
    347,730,186.80x = 162,451,101,009,938,816
  5. Step 5: Solve for x
    x = 162,451,101,009,938,816/347,730,186.80
  6. Step 6: Final answer
    x = 467,175,721.80

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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.