Home / 442,728,638.40-610,959,143.70-244,498,521

Finding the Fourth Proportional to 442,728,638.40, 610,959,143.70 and 244,498,521

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Solution

The fourth proportional to 442,728,638.40, 610,959,143.70 and 244,498,521 is: 337,404,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,728,638.40 : 610,959,143.70 = 244,498,521 : x
  2. Step 2: Convert to fraction form
    442,728,638.40/610,959,143.70 = 244,498,521/x
  3. Step 3: Cross multiply
    442,728,638.40x = 610,959,143.70 × 244,498,521
  4. Step 4: Simplify right side
    442,728,638.40x = 149,378,607,026,076,480
  5. Step 5: Solve for x
    x = 149,378,607,026,076,480/442,728,638.40
  6. Step 6: Final answer
    x = 337,404,437.10

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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.