Home / 1,986,914,962.14-2,742,087,567.51-1,151,755,143.90

Finding the Fourth Proportional to 1,986,914,962.14, 2,742,087,567.51 and 1,151,755,143.90

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Solution

The fourth proportional to 1,986,914,962.14, 2,742,087,567.51 and 1,151,755,143.90 is: 1,589,506,104.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,914,962.14 : 2,742,087,567.51 = 1,151,755,143.90 : x
  2. Step 2: Convert to fraction form
    1,986,914,962.14/2,742,087,567.51 = 1,151,755,143.90/x
  3. Step 3: Cross multiply
    1,986,914,962.14x = 2,742,087,567.51 × 1,151,755,143.90
  4. Step 4: Simplify right side
    1,986,914,962.14x = 3,158,213,460,903,881,728
  5. Step 5: Solve for x
    x = 3,158,213,460,903,881,728/1,986,914,962.14
  6. Step 6: Final answer
    x = 1,589,506,104.23

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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.