Home / 515,719,449.40-771,878,562.90-362,664,441.40

Finding the Fourth Proportional to 515,719,449.40, 771,878,562.90 and 362,664,441.40

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Solution

The fourth proportional to 515,719,449.40, 771,878,562.90 and 362,664,441.40 is: 542,800,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,719,449.40 : 771,878,562.90 = 362,664,441.40 : x
  2. Step 2: Convert to fraction form
    515,719,449.40/771,878,562.90 = 362,664,441.40/x
  3. Step 3: Cross multiply
    515,719,449.40x = 771,878,562.90 × 362,664,441.40
  4. Step 4: Simplify right side
    515,719,449.40x = 279,932,907,842,763,232
  5. Step 5: Solve for x
    x = 279,932,907,842,763,232/515,719,449.40
  6. Step 6: Final answer
    x = 542,800,757.60

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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.