Home / 438,994,433.60-658,491,650.40-147,764,765.60

Finding the Fourth Proportional to 438,994,433.60, 658,491,650.40 and 147,764,765.60

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Solution

The fourth proportional to 438,994,433.60, 658,491,650.40 and 147,764,765.60 is: 221,647,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,994,433.60 : 658,491,650.40 = 147,764,765.60 : x
  2. Step 2: Convert to fraction form
    438,994,433.60/658,491,650.40 = 147,764,765.60/x
  3. Step 3: Cross multiply
    438,994,433.60x = 658,491,650.40 × 147,764,765.60
  4. Step 4: Simplify right side
    438,994,433.60x = 97,301,864,370,913,136
  5. Step 5: Solve for x
    x = 97,301,864,370,913,136/438,994,433.60
  6. Step 6: Final answer
    x = 221,647,148.40

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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.