Home / 612,622,873.44-845,731,754.64-473,080,376.16

Finding the Fourth Proportional to 612,622,873.44, 845,731,754.64 and 473,080,376.16

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Solution

The fourth proportional to 612,622,873.44, 845,731,754.64 and 473,080,376.16 is: 653,091,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,622,873.44 : 845,731,754.64 = 473,080,376.16 : x
  2. Step 2: Convert to fraction form
    612,622,873.44/845,731,754.64 = 473,080,376.16/x
  3. Step 3: Cross multiply
    612,622,873.44x = 845,731,754.64 × 473,080,376.16
  4. Step 4: Simplify right side
    612,622,873.44x = 400,099,096,615,548,032
  5. Step 5: Solve for x
    x = 400,099,096,615,548,032/612,622,873.44
  6. Step 6: Final answer
    x = 653,091,998.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.