Home / 28,523,759,520.37-42,787,015,342.36-9,378,946,918.73

Finding the Fourth Proportional to 28,523,759,520.37, 42,787,015,342.36 and 9,378,946,918.73

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Solution

The fourth proportional to 28,523,759,520.37, 42,787,015,342.36 and 9,378,946,918.73 is: 14,068,872,843.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,523,759,520.37 : 42,787,015,342.36 = 9,378,946,918.73 : x
  2. Step 2: Convert to fraction form
    28,523,759,520.37/42,787,015,342.36 = 9,378,946,918.73/x
  3. Step 3: Cross multiply
    28,523,759,520.37x = 42,787,015,342.36 × 9,378,946,918.73
  4. Step 4: Simplify right side
    28,523,759,520.37x = 401,297,145,706,761,748,480
  5. Step 5: Solve for x
    x = 401,297,145,706,761,748,480/28,523,759,520.37
  6. Step 6: Final answer
    x = 14,068,872,843.36

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1.5x scale

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.