Home / 686,770,207.13-1,030,614,521.27-293,388,965.80

Finding the Fourth Proportional to 686,770,207.13, 1,030,614,521.27 and 293,388,965.80

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Solution

The fourth proportional to 686,770,207.13, 1,030,614,521.27 and 293,388,965.80 is: 440,279,623.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,770,207.13 : 1,030,614,521.27 = 293,388,965.80 : x
  2. Step 2: Convert to fraction form
    686,770,207.13/1,030,614,521.27 = 293,388,965.80/x
  3. Step 3: Cross multiply
    686,770,207.13x = 1,030,614,521.27 × 293,388,965.80
  4. Step 4: Simplify right side
    686,770,207.13x = 302,370,928,529,823,936
  5. Step 5: Solve for x
    x = 302,370,928,529,823,936/686,770,207.13
  6. Step 6: Final answer
    x = 440,279,623.94

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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.