Home / 421,604,072.40-581,831,801.33-233,432,369.86

Finding the Fourth Proportional to 421,604,072.40, 581,831,801.33 and 233,432,369.86

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Solution

The fourth proportional to 421,604,072.40, 581,831,801.33 and 233,432,369.86 is: 322,146,737.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,604,072.40 : 581,831,801.33 = 233,432,369.86 : x
  2. Step 2: Convert to fraction form
    421,604,072.40/581,831,801.33 = 233,432,369.86/x
  3. Step 3: Cross multiply
    421,604,072.40x = 581,831,801.33 × 233,432,369.86
  4. Step 4: Simplify right side
    421,604,072.40x = 135,818,376,241,752,864
  5. Step 5: Solve for x
    x = 135,818,376,241,752,864/421,604,072.40
  6. Step 6: Final answer
    x = 322,146,737.03

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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.