Home / 673,614,007.80-1,010,421,011.70-413,987,364.60

Finding the Fourth Proportional to 673,614,007.80, 1,010,421,011.70 and 413,987,364.60

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Solution

The fourth proportional to 673,614,007.80, 1,010,421,011.70 and 413,987,364.60 is: 620,981,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,614,007.80 : 1,010,421,011.70 = 413,987,364.60 : x
  2. Step 2: Convert to fraction form
    673,614,007.80/1,010,421,011.70 = 413,987,364.60/x
  3. Step 3: Cross multiply
    673,614,007.80x = 1,010,421,011.70 × 413,987,364.60
  4. Step 4: Simplify right side
    673,614,007.80x = 418,301,531,770,148,800
  5. Step 5: Solve for x
    x = 418,301,531,770,148,800/673,614,007.80
  6. Step 6: Final answer
    x = 620,981,046.90

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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.