Home / 664,935,525.20-997,403,287.80-302,138,469.20

Finding the Fourth Proportional to 664,935,525.20, 997,403,287.80 and 302,138,469.20

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Solution

The fourth proportional to 664,935,525.20, 997,403,287.80 and 302,138,469.20 is: 453,207,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,935,525.20 : 997,403,287.80 = 302,138,469.20 : x
  2. Step 2: Convert to fraction form
    664,935,525.20/997,403,287.80 = 302,138,469.20/x
  3. Step 3: Cross multiply
    664,935,525.20x = 997,403,287.80 × 302,138,469.20
  4. Step 4: Simplify right side
    664,935,525.20x = 301,353,902,550,939,008
  5. Step 5: Solve for x
    x = 301,353,902,550,939,008/664,935,525.20
  6. Step 6: Final answer
    x = 453,207,703.80

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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.