Home / 8,465,921,115.64-11,683,624,672.92-5,078,957,255.80

Finding the Fourth Proportional to 8,465,921,115.64, 11,683,624,672.92 and 5,078,957,255.80

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Solution

The fourth proportional to 8,465,921,115.64, 11,683,624,672.92 and 5,078,957,255.80 is: 7,009,353,087.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465,921,115.64 : 11,683,624,672.92 = 5,078,957,255.80 : x
  2. Step 2: Convert to fraction form
    8,465,921,115.64/11,683,624,672.92 = 5,078,957,255.80/x
  3. Step 3: Cross multiply
    8,465,921,115.64x = 11,683,624,672.92 × 5,078,957,255.80
  4. Step 4: Simplify right side
    8,465,921,115.64x = 59,340,630,306,570,936,320
  5. Step 5: Solve for x
    x = 59,340,630,306,570,936,320/8,465,921,115.64
  6. Step 6: Final answer
    x = 7,009,353,087.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.