Home / 18,784,172,481.79-25,922,174,728.29-10,210,599,121.38

Finding the Fourth Proportional to 18,784,172,481.79, 25,922,174,728.29 and 10,210,599,121.38

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Solution

The fourth proportional to 18,784,172,481.79, 25,922,174,728.29 and 10,210,599,121.38 is: 14,090,635,867.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784,172,481.79 : 25,922,174,728.29 = 10,210,599,121.38 : x
  2. Step 2: Convert to fraction form
    18,784,172,481.79/25,922,174,728.29 = 10,210,599,121.38/x
  3. Step 3: Cross multiply
    18,784,172,481.79x = 25,922,174,728.29 × 10,210,599,121.38
  4. Step 4: Simplify right side
    18,784,172,481.79x = 264,680,934,505,008,988,160
  5. Step 5: Solve for x
    x = 264,680,934,505,008,988,160/18,784,172,481.79
  6. Step 6: Final answer
    x = 14,090,635,867.07

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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.