Home / 388,123,548.79-582,197,141.90-151,763,632.60

Finding the Fourth Proportional to 388,123,548.79, 582,197,141.90 and 151,763,632.60

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Solution

The fourth proportional to 388,123,548.79, 582,197,141.90 and 151,763,632.60 is: 227,650,070.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,123,548.79 : 582,197,141.90 = 151,763,632.60 : x
  2. Step 2: Convert to fraction form
    388,123,548.79/582,197,141.90 = 151,763,632.60/x
  3. Step 3: Cross multiply
    388,123,548.79x = 582,197,141.90 × 151,763,632.60
  4. Step 4: Simplify right side
    388,123,548.79x = 88,356,353,144,081,664
  5. Step 5: Solve for x
    x = 88,356,353,144,081,664/388,123,548.79
  6. Step 6: Final answer
    x = 227,650,070.24

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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.