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Finding the Fourth Proportional to 7,074,259,358.40, 10,590,981,703.20 and 7,074,259,358.40

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Solution

The fourth proportional to 7,074,259,358.40, 10,590,981,703.20 and 7,074,259,358.40 is: 10,590,981,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074,259,358.40 : 10,590,981,703.20 = 7,074,259,358.40 : x
  2. Step 2: Convert to fraction form
    7,074,259,358.40/10,590,981,703.20 = 7,074,259,358.40/x
  3. Step 3: Cross multiply
    7,074,259,358.40x = 10,590,981,703.20 × 7,074,259,358.40
  4. Step 4: Simplify right side
    7,074,259,358.40x = 74,923,351,428,505,780,224
  5. Step 5: Solve for x
    x = 74,923,351,428,505,780,224/7,074,259,358.40
  6. Step 6: Final answer
    x = 10,590,981,703.20

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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.