Home / 997,794,763.92-1,376,965,683.96-551,788,306.56

Finding the Fourth Proportional to 997,794,763.92, 1,376,965,683.96 and 551,788,306.56

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Solution

The fourth proportional to 997,794,763.92, 1,376,965,683.96 and 551,788,306.56 is: 761,472,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,794,763.92 : 1,376,965,683.96 = 551,788,306.56 : x
  2. Step 2: Convert to fraction form
    997,794,763.92/1,376,965,683.96 = 551,788,306.56/x
  3. Step 3: Cross multiply
    997,794,763.92x = 1,376,965,683.96 × 551,788,306.56
  4. Step 4: Simplify right side
    997,794,763.92x = 759,793,562,943,520,512
  5. Step 5: Solve for x
    x = 759,793,562,943,520,512/997,794,763.92
  6. Step 6: Final answer
    x = 761,472,790.21

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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.