Home / 658,875,386.97-988,388,076.06-238,894,541.82

Finding the Fourth Proportional to 658,875,386.97, 988,388,076.06 and 238,894,541.82

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Solution

The fourth proportional to 658,875,386.97, 988,388,076.06 and 238,894,541.82 is: 358,369,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,875,386.97 : 988,388,076.06 = 238,894,541.82 : x
  2. Step 2: Convert to fraction form
    658,875,386.97/988,388,076.06 = 238,894,541.82/x
  3. Step 3: Cross multiply
    658,875,386.97x = 988,388,076.06 × 238,894,541.82
  4. Step 4: Simplify right side
    658,875,386.97x = 236,120,516,570,704,992
  5. Step 5: Solve for x
    x = 236,120,516,570,704,992/658,875,386.97
  6. Step 6: Final answer
    x = 358,369,004.58

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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.