Home / 828,161,015.60-1,241,186,514.60-440,169,719.60

Finding the Fourth Proportional to 828,161,015.60, 1,241,186,514.60 and 440,169,719.60

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Solution

The fourth proportional to 828,161,015.60, 1,241,186,514.60 and 440,169,719.60 is: 659,693,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,161,015.60 : 1,241,186,514.60 = 440,169,719.60 : x
  2. Step 2: Convert to fraction form
    828,161,015.60/1,241,186,514.60 = 440,169,719.60/x
  3. Step 3: Cross multiply
    828,161,015.60x = 1,241,186,514.60 × 440,169,719.60
  4. Step 4: Simplify right side
    828,161,015.60x = 546,332,720,102,783,296
  5. Step 5: Solve for x
    x = 546,332,720,102,783,296/828,161,015.60
  6. Step 6: Final answer
    x = 659,693,839.50

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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.