Home / 730,493,009.29-1,095,083,373.27-356,789,458.78

Finding the Fourth Proportional to 730,493,009.29, 1,095,083,373.27 and 356,789,458.78

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Solution

The fourth proportional to 730,493,009.29, 1,095,083,373.27 and 356,789,458.78 is: 534,863,714.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,493,009.29 : 1,095,083,373.27 = 356,789,458.78 : x
  2. Step 2: Convert to fraction form
    730,493,009.29/1,095,083,373.27 = 356,789,458.78/x
  3. Step 3: Cross multiply
    730,493,009.29x = 1,095,083,373.27 × 356,789,458.78
  4. Step 4: Simplify right side
    730,493,009.29x = 390,714,204,067,979,968
  5. Step 5: Solve for x
    x = 390,714,204,067,979,968/730,493,009.29
  6. Step 6: Final answer
    x = 534,863,714.09

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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.