Home / 20,250,856,319.04-27,955,871,392.32-13,487,929,617.60

Finding the Fourth Proportional to 20,250,856,319.04, 27,955,871,392.32 and 13,487,929,617.60

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Solution

The fourth proportional to 20,250,856,319.04, 27,955,871,392.32 and 13,487,929,617.60 is: 18,619,796,605.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250,856,319.04 : 27,955,871,392.32 = 13,487,929,617.60 : x
  2. Step 2: Convert to fraction form
    20,250,856,319.04/27,955,871,392.32 = 13,487,929,617.60/x
  3. Step 3: Cross multiply
    20,250,856,319.04x = 27,955,871,392.32 × 13,487,929,617.60
  4. Step 4: Simplify right side
    20,250,856,319.04x = 377,066,825,738,289,479,680
  5. Step 5: Solve for x
    x = 377,066,825,738,289,479,680/20,250,856,319.04
  6. Step 6: Final answer
    x = 18,619,796,605.03

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1.5x scale

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.