Home / 427,892,629-590,506,425.30-239,728,857.34

Finding the Fourth Proportional to 427,892,629, 590,506,425.30 and 239,728,857.34

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Solution

The fourth proportional to 427,892,629, 590,506,425.30 and 239,728,857.34 is: 330,834,001.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,892,629 : 590,506,425.30 = 239,728,857.34 : x
  2. Step 2: Convert to fraction form
    427,892,629/590,506,425.30 = 239,728,857.34/x
  3. Step 3: Cross multiply
    427,892,629x = 590,506,425.30 × 239,728,857.34
  4. Step 4: Simplify right side
    427,892,629x = 141,561,430,589,097,056
  5. Step 5: Solve for x
    x = 141,561,430,589,097,056/427,892,629
  6. Step 6: Final answer
    x = 330,834,001.32

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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.