Home / 388,075,512.80-582,113,269.20-194,016,879.20

Finding the Fourth Proportional to 388,075,512.80, 582,113,269.20 and 194,016,879.20

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Solution

The fourth proportional to 388,075,512.80, 582,113,269.20 and 194,016,879.20 is: 291,025,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,075,512.80 : 582,113,269.20 = 194,016,879.20 : x
  2. Step 2: Convert to fraction form
    388,075,512.80/582,113,269.20 = 194,016,879.20/x
  3. Step 3: Cross multiply
    388,075,512.80x = 582,113,269.20 × 194,016,879.20
  4. Step 4: Simplify right side
    388,075,512.80x = 112,939,799,831,093,488
  5. Step 5: Solve for x
    x = 112,939,799,831,093,488/388,075,512.80
  6. Step 6: Final answer
    x = 291,025,318.80

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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.