Home / 1,248,264,042.80-1,872,396,064.20-636,044,010.80

Finding the Fourth Proportional to 1,248,264,042.80, 1,872,396,064.20 and 636,044,010.80

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Solution

The fourth proportional to 1,248,264,042.80, 1,872,396,064.20 and 636,044,010.80 is: 954,066,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,264,042.80 : 1,872,396,064.20 = 636,044,010.80 : x
  2. Step 2: Convert to fraction form
    1,248,264,042.80/1,872,396,064.20 = 636,044,010.80/x
  3. Step 3: Cross multiply
    1,248,264,042.80x = 1,872,396,064.20 × 636,044,010.80
  4. Step 4: Simplify right side
    1,248,264,042.80x = 1,190,926,302,479,902,208
  5. Step 5: Solve for x
    x = 1,190,926,302,479,902,208/1,248,264,042.80
  6. Step 6: Final answer
    x = 954,066,016.20

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Double scale
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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.