Home / 405,262,344.40-559,262,513.64-219,623,359.12

Finding the Fourth Proportional to 405,262,344.40, 559,262,513.64 and 219,623,359.12

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Solution

The fourth proportional to 405,262,344.40, 559,262,513.64 and 219,623,359.12 is: 303,080,494.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,262,344.40 : 559,262,513.64 = 219,623,359.12 : x
  2. Step 2: Convert to fraction form
    405,262,344.40/559,262,513.64 = 219,623,359.12/x
  3. Step 3: Cross multiply
    405,262,344.40x = 559,262,513.64 × 219,623,359.12
  4. Step 4: Simplify right side
    405,262,344.40x = 122,827,111,875,511,616
  5. Step 5: Solve for x
    x = 122,827,111,875,511,616/405,262,344.40
  6. Step 6: Final answer
    x = 303,080,494.83

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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.