Home / 1,042,380,843.80-1,563,570,011.10-266,026,587.80

Finding the Fourth Proportional to 1,042,380,843.80, 1,563,570,011.10 and 266,026,587.80

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Solution

The fourth proportional to 1,042,380,843.80, 1,563,570,011.10 and 266,026,587.80 is: 399,039,561.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,380,843.80 : 1,563,570,011.10 = 266,026,587.80 : x
  2. Step 2: Convert to fraction form
    1,042,380,843.80/1,563,570,011.10 = 266,026,587.80/x
  3. Step 3: Cross multiply
    1,042,380,843.80x = 1,563,570,011.10 × 266,026,587.80
  4. Step 4: Simplify right side
    1,042,380,843.80x = 415,951,194,839,341,120
  5. Step 5: Solve for x
    x = 415,951,194,839,341,120/1,042,380,843.80
  6. Step 6: Final answer
    x = 399,039,561.51

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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.