Home / 1,089,127,215.10-1,633,690,822.65-271,239,516.10

Finding the Fourth Proportional to 1,089,127,215.10, 1,633,690,822.65 and 271,239,516.10

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Solution

The fourth proportional to 1,089,127,215.10, 1,633,690,822.65 and 271,239,516.10 is: 406,859,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,127,215.10 : 1,633,690,822.65 = 271,239,516.10 : x
  2. Step 2: Convert to fraction form
    1,089,127,215.10/1,633,690,822.65 = 271,239,516.10/x
  3. Step 3: Cross multiply
    1,089,127,215.10x = 1,633,690,822.65 × 271,239,516.10
  4. Step 4: Simplify right side
    1,089,127,215.10x = 443,121,508,192,596,992
  5. Step 5: Solve for x
    x = 443,121,508,192,596,992/1,089,127,215.10
  6. Step 6: Final answer
    x = 406,859,274.15

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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.