Home / 388,224,375.40-582,336,563.10-358,663,133.80

Finding the Fourth Proportional to 388,224,375.40, 582,336,563.10 and 358,663,133.80

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Solution

The fourth proportional to 388,224,375.40, 582,336,563.10 and 358,663,133.80 is: 537,994,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,224,375.40 : 582,336,563.10 = 358,663,133.80 : x
  2. Step 2: Convert to fraction form
    388,224,375.40/582,336,563.10 = 358,663,133.80/x
  3. Step 3: Cross multiply
    388,224,375.40x = 582,336,563.10 × 358,663,133.80
  4. Step 4: Simplify right side
    388,224,375.40x = 208,862,656,647,767,456
  5. Step 5: Solve for x
    x = 208,862,656,647,767,456/388,224,375.40
  6. Step 6: Final answer
    x = 537,994,700.70

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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.