Home / 1,129,494,753.10-1,694,339,724.53-311,607,054.10

Finding the Fourth Proportional to 1,129,494,753.10, 1,694,339,724.53 and 311,607,054.10

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Solution

The fourth proportional to 1,129,494,753.10, 1,694,339,724.53 and 311,607,054.10 is: 467,437,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,494,753.10 : 1,694,339,724.53 = 311,607,054.10 : x
  2. Step 2: Convert to fraction form
    1,129,494,753.10/1,694,339,724.53 = 311,607,054.10/x
  3. Step 3: Cross multiply
    1,129,494,753.10x = 1,694,339,724.53 × 311,607,054.10
  4. Step 4: Simplify right side
    1,129,494,753.10x = 527,968,210,205,398,848
  5. Step 5: Solve for x
    x = 527,968,210,205,398,848/1,129,494,753.10
  6. Step 6: Final answer
    x = 467,437,505.80

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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.