Home / 686,770,204.20-1,030,614,516.86-293,388,962.86

Finding the Fourth Proportional to 686,770,204.20, 1,030,614,516.86 and 293,388,962.86

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Solution

The fourth proportional to 686,770,204.20, 1,030,614,516.86 and 293,388,962.86 is: 440,279,619.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,770,204.20 : 1,030,614,516.86 = 293,388,962.86 : x
  2. Step 2: Convert to fraction form
    686,770,204.20/1,030,614,516.86 = 293,388,962.86/x
  3. Step 3: Cross multiply
    686,770,204.20x = 1,030,614,516.86 × 293,388,962.86
  4. Step 4: Simplify right side
    686,770,204.20x = 302,370,924,210,015,424
  5. Step 5: Solve for x
    x = 302,370,924,210,015,424/686,770,204.20
  6. Step 6: Final answer
    x = 440,279,619.53

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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.