Home / 388,610,999.80-582,543,251.70-224,680,478.20

Finding the Fourth Proportional to 388,610,999.80, 582,543,251.70 and 224,680,478.20

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Solution

The fourth proportional to 388,610,999.80, 582,543,251.70 and 224,680,478.20 is: 336,804,919.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,610,999.80 : 582,543,251.70 = 224,680,478.20 : x
  2. Step 2: Convert to fraction form
    388,610,999.80/582,543,251.70 = 224,680,478.20/x
  3. Step 3: Cross multiply
    388,610,999.80x = 582,543,251.70 × 224,680,478.20
  4. Step 4: Simplify right side
    388,610,999.80x = 130,886,096,364,138,960
  5. Step 5: Solve for x
    x = 130,886,096,364,138,960/388,610,999.80
  6. Step 6: Final answer
    x = 336,804,919.14

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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.