Home / 680,804,646,919.20-1,021,206,970,378.80-453,548,571,040.80

Finding the Fourth Proportional to 680,804,646,919.20, 1,021,206,970,378.80 and 453,548,571,040.80

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Solution

The fourth proportional to 680,804,646,919.20, 1,021,206,970,378.80 and 453,548,571,040.80 is: 680,322,856,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,804,646,919.20 : 1,021,206,970,378.80 = 453,548,571,040.80 : x
  2. Step 2: Convert to fraction form
    680,804,646,919.20/1,021,206,970,378.80 = 453,548,571,040.80/x
  3. Step 3: Cross multiply
    680,804,646,919.20x = 1,021,206,970,378.80 × 453,548,571,040.80
  4. Step 4: Simplify right side
    680,804,646,919.20x = 463,166,962,152,209,343,578,112
  5. Step 5: Solve for x
    x = 463,166,962,152,209,343,578,112/680,804,646,919.20
  6. Step 6: Final answer
    x = 680,322,856,561.20

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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.