Home / 449,339,917.20-674,009,875.80-367,710,579.60

Finding the Fourth Proportional to 449,339,917.20, 674,009,875.80 and 367,710,579.60

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Solution

The fourth proportional to 449,339,917.20, 674,009,875.80 and 367,710,579.60 is: 551,565,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,339,917.20 : 674,009,875.80 = 367,710,579.60 : x
  2. Step 2: Convert to fraction form
    449,339,917.20/674,009,875.80 = 367,710,579.60/x
  3. Step 3: Cross multiply
    449,339,917.20x = 674,009,875.80 × 367,710,579.60
  4. Step 4: Simplify right side
    449,339,917.20x = 247,840,562,086,542,016
  5. Step 5: Solve for x
    x = 247,840,562,086,542,016/449,339,917.20
  6. Step 6: Final answer
    x = 551,565,869.40

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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.