Home / 347,729,720.80-521,657,566.80-174,771,263.20

Finding the Fourth Proportional to 347,729,720.80, 521,657,566.80 and 174,771,263.20

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Solution

The fourth proportional to 347,729,720.80, 521,657,566.80 and 174,771,263.20 is: 262,188,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,729,720.80 : 521,657,566.80 = 174,771,263.20 : x
  2. Step 2: Convert to fraction form
    347,729,720.80/521,657,566.80 = 174,771,263.20/x
  3. Step 3: Cross multiply
    347,729,720.80x = 521,657,566.80 × 174,771,263.20
  4. Step 4: Simplify right side
    347,729,720.80x = 91,170,751,907,474,384
  5. Step 5: Solve for x
    x = 91,170,751,907,474,384/347,729,720.80
  6. Step 6: Final answer
    x = 262,188,551.78

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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.