Home / 661,659,593.10-992,701,966.05-443,556,206.70

Finding the Fourth Proportional to 661,659,593.10, 992,701,966.05 and 443,556,206.70

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Solution

The fourth proportional to 661,659,593.10, 992,701,966.05 and 443,556,206.70 is: 665,476,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,659,593.10 : 992,701,966.05 = 443,556,206.70 : x
  2. Step 2: Convert to fraction form
    661,659,593.10/992,701,966.05 = 443,556,206.70/x
  3. Step 3: Cross multiply
    661,659,593.10x = 992,701,966.05 × 443,556,206.70
  4. Step 4: Simplify right side
    661,659,593.10x = 440,319,118,444,770,176
  5. Step 5: Solve for x
    x = 440,319,118,444,770,176/661,659,593.10
  6. Step 6: Final answer
    x = 665,476,814.72

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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.