Home / 388,076,219.80-582,114,329.70-194,017,586.20

Finding the Fourth Proportional to 388,076,219.80, 582,114,329.70 and 194,017,586.20

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Solution

The fourth proportional to 388,076,219.80, 582,114,329.70 and 194,017,586.20 is: 291,026,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,076,219.80 : 582,114,329.70 = 194,017,586.20 : x
  2. Step 2: Convert to fraction form
    388,076,219.80/582,114,329.70 = 194,017,586.20/x
  3. Step 3: Cross multiply
    388,076,219.80x = 582,114,329.70 × 194,017,586.20
  4. Step 4: Simplify right side
    388,076,219.80x = 112,940,417,140,824,976
  5. Step 5: Solve for x
    x = 112,940,417,140,824,976/388,076,219.80
  6. Step 6: Final answer
    x = 291,026,379.30

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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.