Home / 2,638,605,554.40-3,958,356,229.20-798,343,615.20

Finding the Fourth Proportional to 2,638,605,554.40, 3,958,356,229.20 and 798,343,615.20

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Solution

The fourth proportional to 2,638,605,554.40, 3,958,356,229.20 and 798,343,615.20 is: 1,197,650,939.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,605,554.40 : 3,958,356,229.20 = 798,343,615.20 : x
  2. Step 2: Convert to fraction form
    2,638,605,554.40/3,958,356,229.20 = 798,343,615.20/x
  3. Step 3: Cross multiply
    2,638,605,554.40x = 3,958,356,229.20 × 798,343,615.20
  4. Step 4: Simplify right side
    2,638,605,554.40x = 3,160,128,422,268,967,936
  5. Step 5: Solve for x
    x = 3,160,128,422,268,967,936/2,638,605,554.40
  6. Step 6: Final answer
    x = 1,197,650,939.91

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1.5x scale

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.