Home / 2,167,311,110.49-2,991,137,441.49-1,214,949,069.32

Finding the Fourth Proportional to 2,167,311,110.49, 2,991,137,441.49 and 1,214,949,069.32

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Solution

The fourth proportional to 2,167,311,110.49, 2,991,137,441.49 and 1,214,949,069.32 is: 1,676,768,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,311,110.49 : 2,991,137,441.49 = 1,214,949,069.32 : x
  2. Step 2: Convert to fraction form
    2,167,311,110.49/2,991,137,441.49 = 1,214,949,069.32/x
  3. Step 3: Cross multiply
    2,167,311,110.49x = 2,991,137,441.49 × 1,214,949,069.32
  4. Step 4: Simplify right side
    2,167,311,110.49x = 3,634,079,650,731,525,632
  5. Step 5: Solve for x
    x = 3,634,079,650,731,525,632/2,167,311,110.49
  6. Step 6: Final answer
    x = 1,676,768,800.35

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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.