Home / 407,035,797.50-561,557,233.25-239,669,772.28

Finding the Fourth Proportional to 407,035,797.50, 561,557,233.25 and 239,669,772.28

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Solution

The fourth proportional to 407,035,797.50, 561,557,233.25 and 239,669,772.28 is: 330,654,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,035,797.50 : 561,557,233.25 = 239,669,772.28 : x
  2. Step 2: Convert to fraction form
    407,035,797.50/561,557,233.25 = 239,669,772.28/x
  3. Step 3: Cross multiply
    407,035,797.50x = 561,557,233.25 × 239,669,772.28
  4. Step 4: Simplify right side
    407,035,797.50x = 134,588,294,213,510,864
  5. Step 5: Solve for x
    x = 134,588,294,213,510,864/407,035,797.50
  6. Step 6: Final answer
    x = 330,654,686.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.