Home / 380,022,223.68-570,119,289.81-205,141,504.05

Finding the Fourth Proportional to 380,022,223.68, 570,119,289.81 and 205,141,504.05

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Solution

The fourth proportional to 380,022,223.68, 570,119,289.81 and 205,141,504.05 is: 307,758,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,022,223.68 : 570,119,289.81 = 205,141,504.05 : x
  2. Step 2: Convert to fraction form
    380,022,223.68/570,119,289.81 = 205,141,504.05/x
  3. Step 3: Cross multiply
    380,022,223.68x = 570,119,289.81 × 205,141,504.05
  4. Step 4: Simplify right side
    380,022,223.68x = 116,955,128,599,541,232
  5. Step 5: Solve for x
    x = 116,955,128,599,541,232/380,022,223.68
  6. Step 6: Final answer
    x = 307,758,655.45

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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.