Home / 686,770,203.70-1,030,614,516.11-293,388,962.36

Finding the Fourth Proportional to 686,770,203.70, 1,030,614,516.11 and 293,388,962.36

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Solution

The fourth proportional to 686,770,203.70, 1,030,614,516.11 and 293,388,962.36 is: 440,279,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,770,203.70 : 1,030,614,516.11 = 293,388,962.36 : x
  2. Step 2: Convert to fraction form
    686,770,203.70/1,030,614,516.11 = 293,388,962.36/x
  3. Step 3: Cross multiply
    686,770,203.70x = 1,030,614,516.11 × 293,388,962.36
  4. Step 4: Simplify right side
    686,770,203.70x = 302,370,923,474,666,432
  5. Step 5: Solve for x
    x = 302,370,923,474,666,432/686,770,203.70
  6. Step 6: Final answer
    x = 440,279,618.78

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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.