Home / 885,949,885.98-1,222,623,671.94-489,481,993.98

Finding the Fourth Proportional to 885,949,885.98, 1,222,623,671.94 and 489,481,993.98

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Solution

The fourth proportional to 885,949,885.98, 1,222,623,671.94 and 489,481,993.98 is: 675,492,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,949,885.98 : 1,222,623,671.94 = 489,481,993.98 : x
  2. Step 2: Convert to fraction form
    885,949,885.98/1,222,623,671.94 = 489,481,993.98/x
  3. Step 3: Cross multiply
    885,949,885.98x = 1,222,623,671.94 × 489,481,993.98
  4. Step 4: Simplify right side
    885,949,885.98x = 598,452,272,828,340,608
  5. Step 5: Solve for x
    x = 598,452,272,828,340,608/885,949,885.98
  6. Step 6: Final answer
    x = 675,492,239.80

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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.