Home / 18,619,478,170.71-25,709,520,282.06-14,990,975,841.66

Finding the Fourth Proportional to 18,619,478,170.71, 25,709,520,282.06 and 14,990,975,841.66

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Solution

The fourth proportional to 18,619,478,170.71, 25,709,520,282.06 and 14,990,975,841.66 is: 20,699,333,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,619,478,170.71 : 25,709,520,282.06 = 14,990,975,841.66 : x
  2. Step 2: Convert to fraction form
    18,619,478,170.71/25,709,520,282.06 = 14,990,975,841.66/x
  3. Step 3: Cross multiply
    18,619,478,170.71x = 25,709,520,282.06 × 14,990,975,841.66
  4. Step 4: Simplify right side
    18,619,478,170.71x = 385,410,797,448,971,354,112
  5. Step 5: Solve for x
    x = 385,410,797,448,971,354,112/18,619,478,170.71
  6. Step 6: Final answer
    x = 20,699,333,993.97

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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.