Home / 405,112,711.73-559,056,109.46-219,473,727.42

Finding the Fourth Proportional to 405,112,711.73, 559,056,109.46 and 219,473,727.42

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Solution

The fourth proportional to 405,112,711.73, 559,056,109.46 and 219,473,727.42 is: 302,874,051.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,112,711.73 : 559,056,109.46 = 219,473,727.42 : x
  2. Step 2: Convert to fraction form
    405,112,711.73/559,056,109.46 = 219,473,727.42/x
  3. Step 3: Cross multiply
    405,112,711.73x = 559,056,109.46 × 219,473,727.42
  4. Step 4: Simplify right side
    405,112,711.73x = 122,698,128,178,545,616
  5. Step 5: Solve for x
    x = 122,698,128,178,545,616/405,112,711.73
  6. Step 6: Final answer
    x = 302,874,051.16

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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.