Home / 730,590,481.29-1,096,068,445.82-213,020,921.77

Finding the Fourth Proportional to 730,590,481.29, 1,096,068,445.82 and 213,020,921.77

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Solution

The fourth proportional to 730,590,481.29, 1,096,068,445.82 and 213,020,921.77 is: 319,584,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,590,481.29 : 1,096,068,445.82 = 213,020,921.77 : x
  2. Step 2: Convert to fraction form
    730,590,481.29/1,096,068,445.82 = 213,020,921.77/x
  3. Step 3: Cross multiply
    730,590,481.29x = 1,096,068,445.82 × 213,020,921.77
  4. Step 4: Simplify right side
    730,590,481.29x = 233,485,510,649,380,096
  5. Step 5: Solve for x
    x = 233,485,510,649,380,096/730,590,481.29
  6. Step 6: Final answer
    x = 319,584,660.12

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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.