Home / 389,752,594.24-537,790,219.36-222,412,452.16

Finding the Fourth Proportional to 389,752,594.24, 537,790,219.36 and 222,412,452.16

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Solution

The fourth proportional to 389,752,594.24, 537,790,219.36 and 222,412,452.16 is: 306,890,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,752,594.24 : 537,790,219.36 = 222,412,452.16 : x
  2. Step 2: Convert to fraction form
    389,752,594.24/537,790,219.36 = 222,412,452.16/x
  3. Step 3: Cross multiply
    389,752,594.24x = 537,790,219.36 × 222,412,452.16
  4. Step 4: Simplify right side
    389,752,594.24x = 119,611,241,435,521,904
  5. Step 5: Solve for x
    x = 119,611,241,435,521,904/389,752,594.24
  6. Step 6: Final answer
    x = 306,890,173.93

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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.