Home / 7,221,832,521,638.40-9,965,828,092,263.60-3,929,593,280,207.10

Finding the Fourth Proportional to 7,221,832,521,638.40, 9,965,828,092,263.60 and 3,929,593,280,207.10

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Solution

The fourth proportional to 7,221,832,521,638.40, 9,965,828,092,263.60 and 3,929,593,280,207.10 is: 5,422,675,060,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221,832,521,638.40 : 9,965,828,092,263.60 = 3,929,593,280,207.10 : x
  2. Step 2: Convert to fraction form
    7,221,832,521,638.40/9,965,828,092,263.60 = 3,929,593,280,207.10/x
  3. Step 3: Cross multiply
    7,221,832,521,638.40x = 9,965,828,092,263.60 × 3,929,593,280,207.10
  4. Step 4: Simplify right side
    7,221,832,521,638.40x = 39,161,651,103,058,181,761,269,760
  5. Step 5: Solve for x
    x = 39,161,651,103,058,181,761,269,760/7,221,832,521,638.40
  6. Step 6: Final answer
    x = 5,422,675,060,065.46

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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.