Home / 539,678,280.83-809,517,415.77-194,631,902.80

Finding the Fourth Proportional to 539,678,280.83, 809,517,415.77 and 194,631,902.80

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Solution

The fourth proportional to 539,678,280.83, 809,517,415.77 and 194,631,902.80 is: 291,947,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,678,280.83 : 809,517,415.77 = 194,631,902.80 : x
  2. Step 2: Convert to fraction form
    539,678,280.83/809,517,415.77 = 194,631,902.80/x
  3. Step 3: Cross multiply
    539,678,280.83x = 809,517,415.77 × 194,631,902.80
  4. Step 4: Simplify right side
    539,678,280.83x = 157,557,914,979,030,048
  5. Step 5: Solve for x
    x = 157,557,914,979,030,048/539,678,280.83
  6. Step 6: Final answer
    x = 291,947,852.22

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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.