Home / 1,968,139,418.40-2,716,037,287.20-1,076,123,711.52

Finding the Fourth Proportional to 1,968,139,418.40, 2,716,037,287.20 and 1,076,123,711.52

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Solution

The fourth proportional to 1,968,139,418.40, 2,716,037,287.20 and 1,076,123,711.52 is: 1,485,053,395.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,139,418.40 : 2,716,037,287.20 = 1,076,123,711.52 : x
  2. Step 2: Convert to fraction form
    1,968,139,418.40/2,716,037,287.20 = 1,076,123,711.52/x
  3. Step 3: Cross multiply
    1,968,139,418.40x = 2,716,037,287.20 × 1,076,123,711.52
  4. Step 4: Simplify right side
    1,968,139,418.40x = 2,922,792,126,128,375,808
  5. Step 5: Solve for x
    x = 2,922,792,126,128,375,808/1,968,139,418.40
  6. Step 6: Final answer
    x = 1,485,053,395.51

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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.