Home / 427,452,100.80-589,885,032.96-231,881,812.80

Finding the Fourth Proportional to 427,452,100.80, 589,885,032.96 and 231,881,812.80

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Solution

The fourth proportional to 427,452,100.80, 589,885,032.96 and 231,881,812.80 is: 319,997,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,452,100.80 : 589,885,032.96 = 231,881,812.80 : x
  2. Step 2: Convert to fraction form
    427,452,100.80/589,885,032.96 = 231,881,812.80/x
  3. Step 3: Cross multiply
    427,452,100.80x = 589,885,032.96 × 231,881,812.80
  4. Step 4: Simplify right side
    427,452,100.80x = 136,783,610,786,352,560
  5. Step 5: Solve for x
    x = 136,783,610,786,352,560/427,452,100.80
  6. Step 6: Final answer
    x = 319,997,516.75

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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.