Home / 853,016,615.40-1,279,524,923.10-707,614,357.80

Finding the Fourth Proportional to 853,016,615.40, 1,279,524,923.10 and 707,614,357.80

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Solution

The fourth proportional to 853,016,615.40, 1,279,524,923.10 and 707,614,357.80 is: 1,061,421,536.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,016,615.40 : 1,279,524,923.10 = 707,614,357.80 : x
  2. Step 2: Convert to fraction form
    853,016,615.40/1,279,524,923.10 = 707,614,357.80/x
  3. Step 3: Cross multiply
    853,016,615.40x = 1,279,524,923.10 × 707,614,357.80
  4. Step 4: Simplify right side
    853,016,615.40x = 905,410,206,748,500,736
  5. Step 5: Solve for x
    x = 905,410,206,748,500,736/853,016,615.40
  6. Step 6: Final answer
    x = 1,061,421,536.70

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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.