Home / 1,129,494,751.35-1,694,339,721.90-311,607,052.35

Finding the Fourth Proportional to 1,129,494,751.35, 1,694,339,721.90 and 311,607,052.35

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Solution

The fourth proportional to 1,129,494,751.35, 1,694,339,721.90 and 311,607,052.35 is: 467,437,503.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,494,751.35 : 1,694,339,721.90 = 311,607,052.35 : x
  2. Step 2: Convert to fraction form
    1,129,494,751.35/1,694,339,721.90 = 311,607,052.35/x
  3. Step 3: Cross multiply
    1,129,494,751.35x = 1,694,339,721.90 × 311,607,052.35
  4. Step 4: Simplify right side
    1,129,494,751.35x = 527,968,206,420,777,792
  5. Step 5: Solve for x
    x = 527,968,206,420,777,792/1,129,494,751.35
  6. Step 6: Final answer
    x = 467,437,503.18

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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.