Home / 438,294,439.23-604,856,117.21-250,118,987.34

Finding the Fourth Proportional to 438,294,439.23, 604,856,117.21 and 250,118,987.34

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Solution

The fourth proportional to 438,294,439.23, 604,856,117.21 and 250,118,987.34 is: 345,169,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,294,439.23 : 604,856,117.21 = 250,118,987.34 : x
  2. Step 2: Convert to fraction form
    438,294,439.23/604,856,117.21 = 250,118,987.34/x
  3. Step 3: Cross multiply
    438,294,439.23x = 604,856,117.21 × 250,118,987.34
  4. Step 4: Simplify right side
    438,294,439.23x = 151,285,999,521,718,976
  5. Step 5: Solve for x
    x = 151,285,999,521,718,976/438,294,439.23
  6. Step 6: Final answer
    x = 345,169,789.94

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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.