Home / 405,780,041.73-559,977,542.86-220,141,057.42

Finding the Fourth Proportional to 405,780,041.73, 559,977,542.86 and 220,141,057.42

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Solution

The fourth proportional to 405,780,041.73, 559,977,542.86 and 220,141,057.42 is: 303,795,248.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,780,041.73 : 559,977,542.86 = 220,141,057.42 : x
  2. Step 2: Convert to fraction form
    405,780,041.73/559,977,542.86 = 220,141,057.42/x
  3. Step 3: Cross multiply
    405,780,041.73x = 559,977,542.86 × 220,141,057.42
  4. Step 4: Simplify right side
    405,780,041.73x = 123,274,048,416,653,760
  5. Step 5: Solve for x
    x = 123,274,048,416,653,760/405,780,041.73
  6. Step 6: Final answer
    x = 303,795,248.01

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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.