Home / 773,657,352.58-1,067,637,131.82-421,229,300.98

Finding the Fourth Proportional to 773,657,352.58, 1,067,637,131.82 and 421,229,300.98

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Solution

The fourth proportional to 773,657,352.58, 1,067,637,131.82 and 421,229,300.98 is: 581,290,982.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,657,352.58 : 1,067,637,131.82 = 421,229,300.98 : x
  2. Step 2: Convert to fraction form
    773,657,352.58/1,067,637,131.82 = 421,229,300.98/x
  3. Step 3: Cross multiply
    773,657,352.58x = 1,067,637,131.82 × 421,229,300.98
  4. Step 4: Simplify right side
    773,657,352.58x = 449,720,042,736,830,784
  5. Step 5: Solve for x
    x = 449,720,042,736,830,784/773,657,352.58
  6. Step 6: Final answer
    x = 581,290,982.68

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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.