Home / 988,417,076.80-1,482,625,615.20-827,173,940.80

Finding the Fourth Proportional to 988,417,076.80, 1,482,625,615.20 and 827,173,940.80

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Solution

The fourth proportional to 988,417,076.80, 1,482,625,615.20 and 827,173,940.80 is: 1,240,760,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,417,076.80 : 1,482,625,615.20 = 827,173,940.80 : x
  2. Step 2: Convert to fraction form
    988,417,076.80/1,482,625,615.20 = 827,173,940.80/x
  3. Step 3: Cross multiply
    988,417,076.80x = 1,482,625,615.20 × 827,173,940.80
  4. Step 4: Simplify right side
    988,417,076.80x = 1,226,389,272,856,008,448
  5. Step 5: Solve for x
    x = 1,226,389,272,856,008,448/988,417,076.80
  6. Step 6: Final answer
    x = 1,240,760,911.20

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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.