Home / 526,539,643.20-789,809,464.80-254,441,851.20

Finding the Fourth Proportional to 526,539,643.20, 789,809,464.80 and 254,441,851.20

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Solution

The fourth proportional to 526,539,643.20, 789,809,464.80 and 254,441,851.20 is: 381,662,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,539,643.20 : 789,809,464.80 = 254,441,851.20 : x
  2. Step 2: Convert to fraction form
    526,539,643.20/789,809,464.80 = 254,441,851.20/x
  3. Step 3: Cross multiply
    526,539,643.20x = 789,809,464.80 × 254,441,851.20
  4. Step 4: Simplify right side
    526,539,643.20x = 200,960,582,318,993,216
  5. Step 5: Solve for x
    x = 200,960,582,318,993,216/526,539,643.20
  6. Step 6: Final answer
    x = 381,662,776.80

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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.