Home / 380,022,227.07-570,119,294.65-205,141,507.34

Finding the Fourth Proportional to 380,022,227.07, 570,119,294.65 and 205,141,507.34

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Solution

The fourth proportional to 380,022,227.07, 570,119,294.65 and 205,141,507.34 is: 307,758,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,022,227.07 : 570,119,294.65 = 205,141,507.34 : x
  2. Step 2: Convert to fraction form
    380,022,227.07/570,119,294.65 = 205,141,507.34/x
  3. Step 3: Cross multiply
    380,022,227.07x = 570,119,294.65 × 205,141,507.34
  4. Step 4: Simplify right side
    380,022,227.07x = 116,955,131,468,118,592
  5. Step 5: Solve for x
    x = 116,955,131,468,118,592/380,022,227.07
  6. Step 6: Final answer
    x = 307,758,660.25

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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.