Home / 1,579,456,498.53-2,179,623,168.40-874,593,346.35

Finding the Fourth Proportional to 1,579,456,498.53, 2,179,623,168.40 and 874,593,346.35

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Solution

The fourth proportional to 1,579,456,498.53, 2,179,623,168.40 and 874,593,346.35 is: 1,206,923,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,456,498.53 : 2,179,623,168.40 = 874,593,346.35 : x
  2. Step 2: Convert to fraction form
    1,579,456,498.53/2,179,623,168.40 = 874,593,346.35/x
  3. Step 3: Cross multiply
    1,579,456,498.53x = 2,179,623,168.40 × 874,593,346.35
  4. Step 4: Simplify right side
    1,579,456,498.53x = 1,906,283,920,640,783,872
  5. Step 5: Solve for x
    x = 1,906,283,920,640,783,872/1,579,456,498.53
  6. Step 6: Final answer
    x = 1,206,923,978.23

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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.