Home / 1,986,914,965.14-2,742,087,571.65-1,151,755,146.90

Finding the Fourth Proportional to 1,986,914,965.14, 2,742,087,571.65 and 1,151,755,146.90

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Solution

The fourth proportional to 1,986,914,965.14, 2,742,087,571.65 and 1,151,755,146.90 is: 1,589,506,108.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,914,965.14 : 2,742,087,571.65 = 1,151,755,146.90 : x
  2. Step 2: Convert to fraction form
    1,986,914,965.14/2,742,087,571.65 = 1,151,755,146.90/x
  3. Step 3: Cross multiply
    1,986,914,965.14x = 2,742,087,571.65 × 1,151,755,146.90
  4. Step 4: Simplify right side
    1,986,914,965.14x = 3,158,213,473,898,410,496
  5. Step 5: Solve for x
    x = 3,158,213,473,898,410,496/1,986,914,965.14
  6. Step 6: Final answer
    x = 1,589,506,108.37

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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.