Home / 664,992,029.40-997,488,044.10-276,685,805.40

Finding the Fourth Proportional to 664,992,029.40, 997,488,044.10 and 276,685,805.40

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Solution

The fourth proportional to 664,992,029.40, 997,488,044.10 and 276,685,805.40 is: 415,028,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,992,029.40 : 997,488,044.10 = 276,685,805.40 : x
  2. Step 2: Convert to fraction form
    664,992,029.40/997,488,044.10 = 276,685,805.40/x
  3. Step 3: Cross multiply
    664,992,029.40x = 997,488,044.10 × 276,685,805.40
  4. Step 4: Simplify right side
    664,992,029.40x = 275,990,782,858,679,200
  5. Step 5: Solve for x
    x = 275,990,782,858,679,200/664,992,029.40
  6. Step 6: Final answer
    x = 415,028,708.10

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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.