Home / 505,344,001.60-758,016,002.40-218,129,665.60

Finding the Fourth Proportional to 505,344,001.60, 758,016,002.40 and 218,129,665.60

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Solution

The fourth proportional to 505,344,001.60, 758,016,002.40 and 218,129,665.60 is: 327,194,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,344,001.60 : 758,016,002.40 = 218,129,665.60 : x
  2. Step 2: Convert to fraction form
    505,344,001.60/758,016,002.40 = 218,129,665.60/x
  3. Step 3: Cross multiply
    505,344,001.60x = 758,016,002.40 × 218,129,665.60
  4. Step 4: Simplify right side
    505,344,001.60x = 165,345,777,122,960,800
  5. Step 5: Solve for x
    x = 165,345,777,122,960,800/505,344,001.60
  6. Step 6: Final answer
    x = 327,194,498.40

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Similar ratio
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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.