Home / 386,275,622.40-579,516,076.80-167,832,230.40

Finding the Fourth Proportional to 386,275,622.40, 579,516,076.80 and 167,832,230.40

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Solution

The fourth proportional to 386,275,622.40, 579,516,076.80 and 167,832,230.40 is: 251,792,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,275,622.40 : 579,516,076.80 = 167,832,230.40 : x
  2. Step 2: Convert to fraction form
    386,275,622.40/579,516,076.80 = 167,832,230.40/x
  3. Step 3: Cross multiply
    386,275,622.40x = 579,516,076.80 × 167,832,230.40
  4. Step 4: Simplify right side
    386,275,622.40x = 97,261,475,722,001,696
  5. Step 5: Solve for x
    x = 97,261,475,722,001,696/386,275,622.40
  6. Step 6: Final answer
    x = 251,792,942.87

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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.