Home / 910,686,843.73-1,256,747,579.45-492,998,822.29

Finding the Fourth Proportional to 910,686,843.73, 1,256,747,579.45 and 492,998,822.29

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Solution

The fourth proportional to 910,686,843.73, 1,256,747,579.45 and 492,998,822.29 is: 680,338,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,686,843.73 : 1,256,747,579.45 = 492,998,822.29 : x
  2. Step 2: Convert to fraction form
    910,686,843.73/1,256,747,579.45 = 492,998,822.29/x
  3. Step 3: Cross multiply
    910,686,843.73x = 1,256,747,579.45 × 492,998,822.29
  4. Step 4: Simplify right side
    910,686,843.73x = 619,575,076,584,658,304
  5. Step 5: Solve for x
    x = 619,575,076,584,658,304/910,686,843.73
  6. Step 6: Final answer
    x = 680,338,231.36

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1.5x scale

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.