Home / 630,287,448.25-945,558,724.14-221,375,485.21

Finding the Fourth Proportional to 630,287,448.25, 945,558,724.14 and 221,375,485.21

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Solution

The fourth proportional to 630,287,448.25, 945,558,724.14 and 221,375,485.21 is: 332,108,027.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,287,448.25 : 945,558,724.14 = 221,375,485.21 : x
  2. Step 2: Convert to fraction form
    630,287,448.25/945,558,724.14 = 221,375,485.21/x
  3. Step 3: Cross multiply
    630,287,448.25x = 945,558,724.14 × 221,375,485.21
  4. Step 4: Simplify right side
    630,287,448.25x = 209,323,521,350,487,616
  5. Step 5: Solve for x
    x = 209,323,521,350,487,616/630,287,448.25
  6. Step 6: Final answer
    x = 332,108,027.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.