Home / 261,360,665.60-392,040,998.40-248,606,081.60

Finding the Fourth Proportional to 261,360,665.60, 392,040,998.40 and 248,606,081.60

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Solution

The fourth proportional to 261,360,665.60, 392,040,998.40 and 248,606,081.60 is: 372,909,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,360,665.60 : 392,040,998.40 = 248,606,081.60 : x
  2. Step 2: Convert to fraction form
    261,360,665.60/392,040,998.40 = 248,606,081.60/x
  3. Step 3: Cross multiply
    261,360,665.60x = 392,040,998.40 × 248,606,081.60
  4. Step 4: Simplify right side
    261,360,665.60x = 97,463,776,438,775,856
  5. Step 5: Solve for x
    x = 97,463,776,438,775,856/261,360,665.60
  6. Step 6: Final answer
    x = 372,909,122.40

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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.