Home / 520,034,858.60-780,052,287.90-174,873,770.60

Finding the Fourth Proportional to 520,034,858.60, 780,052,287.90 and 174,873,770.60

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Solution

The fourth proportional to 520,034,858.60, 780,052,287.90 and 174,873,770.60 is: 262,310,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,034,858.60 : 780,052,287.90 = 174,873,770.60 : x
  2. Step 2: Convert to fraction form
    520,034,858.60/780,052,287.90 = 174,873,770.60/x
  3. Step 3: Cross multiply
    520,034,858.60x = 780,052,287.90 × 174,873,770.60
  4. Step 4: Simplify right side
    520,034,858.60x = 136,410,684,850,229,744
  5. Step 5: Solve for x
    x = 136,410,684,850,229,744/520,034,858.60
  6. Step 6: Final answer
    x = 262,310,655.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.