Home / 20,194,758,334.80-30,292,137,502.20-19,109,980,965.60

Finding the Fourth Proportional to 20,194,758,334.80, 30,292,137,502.20 and 19,109,980,965.60

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Solution

The fourth proportional to 20,194,758,334.80, 30,292,137,502.20 and 19,109,980,965.60 is: 28,664,971,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,758,334.80 : 30,292,137,502.20 = 19,109,980,965.60 : x
  2. Step 2: Convert to fraction form
    20,194,758,334.80/30,292,137,502.20 = 19,109,980,965.60/x
  3. Step 3: Cross multiply
    20,194,758,334.80x = 30,292,137,502.20 × 19,109,980,965.60
  4. Step 4: Simplify right side
    20,194,758,334.80x = 578,882,171,074,379,907,072
  5. Step 5: Solve for x
    x = 578,882,171,074,379,907,072/20,194,758,334.80
  6. Step 6: Final answer
    x = 28,664,971,448.40

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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.