Home / 885,949,886.98-1,222,623,673.32-489,481,994.98

Finding the Fourth Proportional to 885,949,886.98, 1,222,623,673.32 and 489,481,994.98

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Solution

The fourth proportional to 885,949,886.98, 1,222,623,673.32 and 489,481,994.98 is: 675,492,241.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,949,886.98 : 1,222,623,673.32 = 489,481,994.98 : x
  2. Step 2: Convert to fraction form
    885,949,886.98/1,222,623,673.32 = 489,481,994.98/x
  3. Step 3: Cross multiply
    885,949,886.98x = 1,222,623,673.32 × 489,481,994.98
  4. Step 4: Simplify right side
    885,949,886.98x = 598,452,274,726,449,408
  5. Step 5: Solve for x
    x = 598,452,274,726,449,408/885,949,886.98
  6. Step 6: Final answer
    x = 675,492,241.18

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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.