Home / 768,734,136.19-1,060,847,825.52-416,302,061.89

Finding the Fourth Proportional to 768,734,136.19, 1,060,847,825.52 and 416,302,061.89

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Solution

The fourth proportional to 768,734,136.19, 1,060,847,825.52 and 416,302,061.89 is: 574,493,984.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,734,136.19 : 1,060,847,825.52 = 416,302,061.89 : x
  2. Step 2: Convert to fraction form
    768,734,136.19/1,060,847,825.52 = 416,302,061.89/x
  3. Step 3: Cross multiply
    768,734,136.19x = 1,060,847,825.52 × 416,302,061.89
  4. Step 4: Simplify right side
    768,734,136.19x = 441,633,137,115,498,944
  5. Step 5: Solve for x
    x = 441,633,137,115,498,944/768,734,136.19
  6. Step 6: Final answer
    x = 574,493,984.75

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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.