Home / 2,167,311,095.70-2,991,137,421.32-1,214,949,054.57

Finding the Fourth Proportional to 2,167,311,095.70, 2,991,137,421.32 and 1,214,949,054.57

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Solution

The fourth proportional to 2,167,311,095.70, 2,991,137,421.32 and 1,214,949,054.57 is: 1,676,768,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,311,095.70 : 2,991,137,421.32 = 1,214,949,054.57 : x
  2. Step 2: Convert to fraction form
    2,167,311,095.70/2,991,137,421.32 = 1,214,949,054.57/x
  3. Step 3: Cross multiply
    2,167,311,095.70x = 2,991,137,421.32 × 1,214,949,054.57
  4. Step 4: Simplify right side
    2,167,311,095.70x = 3,634,079,582,121,681,920
  5. Step 5: Solve for x
    x = 3,634,079,582,121,681,920/2,167,311,095.70
  6. Step 6: Final answer
    x = 1,676,768,780.14

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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.