Home / 472,536,009.60-708,804,014.40-449,861,193.60

Finding the Fourth Proportional to 472,536,009.60, 708,804,014.40 and 449,861,193.60

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Solution

The fourth proportional to 472,536,009.60, 708,804,014.40 and 449,861,193.60 is: 674,791,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,536,009.60 : 708,804,014.40 = 449,861,193.60 : x
  2. Step 2: Convert to fraction form
    472,536,009.60/708,804,014.40 = 449,861,193.60/x
  3. Step 3: Cross multiply
    472,536,009.60x = 708,804,014.40 × 449,861,193.60
  4. Step 4: Simplify right side
    472,536,009.60x = 318,863,419,946,455,616
  5. Step 5: Solve for x
    x = 318,863,419,946,455,616/472,536,009.60
  6. Step 6: Final answer
    x = 674,791,790.40

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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.