Home / 388,610,998.80-582,543,250.20-224,680,477.20

Finding the Fourth Proportional to 388,610,998.80, 582,543,250.20 and 224,680,477.20

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Solution

The fourth proportional to 388,610,998.80, 582,543,250.20 and 224,680,477.20 is: 336,804,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,610,998.80 : 582,543,250.20 = 224,680,477.20 : x
  2. Step 2: Convert to fraction form
    388,610,998.80/582,543,250.20 = 224,680,477.20/x
  3. Step 3: Cross multiply
    388,610,998.80x = 582,543,250.20 × 224,680,477.20
  4. Step 4: Simplify right side
    388,610,998.80x = 130,886,095,444,574,992
  5. Step 5: Solve for x
    x = 130,886,095,444,574,992/388,610,998.80
  6. Step 6: Final answer
    x = 336,804,917.64

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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.