Home / 7,259,732,561.40-10,889,598,842.10-7,190,857,807.80

Finding the Fourth Proportional to 7,259,732,561.40, 10,889,598,842.10 and 7,190,857,807.80

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Solution

The fourth proportional to 7,259,732,561.40, 10,889,598,842.10 and 7,190,857,807.80 is: 10,786,286,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259,732,561.40 : 10,889,598,842.10 = 7,190,857,807.80 : x
  2. Step 2: Convert to fraction form
    7,259,732,561.40/10,889,598,842.10 = 7,190,857,807.80/x
  3. Step 3: Cross multiply
    7,259,732,561.40x = 10,889,598,842.10 × 7,190,857,807.80
  4. Step 4: Simplify right side
    7,259,732,561.40x = 78,305,556,857,524,633,600
  5. Step 5: Solve for x
    x = 78,305,556,857,524,633,600/7,259,732,561.40
  6. Step 6: Final answer
    x = 10,786,286,711.70

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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.