Home / 822,885,820.25-1,234,449,190.35-386,230,858.25

Finding the Fourth Proportional to 822,885,820.25, 1,234,449,190.35 and 386,230,858.25

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Solution

The fourth proportional to 822,885,820.25, 1,234,449,190.35 and 386,230,858.25 is: 579,402,826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,885,820.25 : 1,234,449,190.35 = 386,230,858.25 : x
  2. Step 2: Convert to fraction form
    822,885,820.25/1,234,449,190.35 = 386,230,858.25/x
  3. Step 3: Cross multiply
    822,885,820.25x = 1,234,449,190.35 × 386,230,858.25
  4. Step 4: Simplify right side
    822,885,820.25x = 476,782,370,248,725,824
  5. Step 5: Solve for x
    x = 476,782,370,248,725,824/822,885,820.25
  6. Step 6: Final answer
    x = 579,402,826.64

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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.