Home / 797,160,404.40-1,195,929,563.40-409,043,137.20

Finding the Fourth Proportional to 797,160,404.40, 1,195,929,563.40 and 409,043,137.20

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Solution

The fourth proportional to 797,160,404.40, 1,195,929,563.40 and 409,043,137.20 is: 613,661,664.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,160,404.40 : 1,195,929,563.40 = 409,043,137.20 : x
  2. Step 2: Convert to fraction form
    797,160,404.40/1,195,929,563.40 = 409,043,137.20/x
  3. Step 3: Cross multiply
    797,160,404.40x = 1,195,929,563.40 × 409,043,137.20
  4. Step 4: Simplify right side
    797,160,404.40x = 489,186,780,483,362,304
  5. Step 5: Solve for x
    x = 489,186,780,483,362,304/797,160,404.40
  6. Step 6: Final answer
    x = 613,661,664.31

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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.