Home / 2,172,816,065.22-2,998,558,597.32-1,220,364,647.34

Finding the Fourth Proportional to 2,172,816,065.22, 2,998,558,597.32 and 1,220,364,647.34

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Solution

The fourth proportional to 2,172,816,065.22, 2,998,558,597.32 and 1,220,364,647.34 is: 1,684,143,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,816,065.22 : 2,998,558,597.32 = 1,220,364,647.34 : x
  2. Step 2: Convert to fraction form
    2,172,816,065.22/2,998,558,597.32 = 1,220,364,647.34/x
  3. Step 3: Cross multiply
    2,172,816,065.22x = 2,998,558,597.32 × 1,220,364,647.34
  4. Step 4: Simplify right side
    2,172,816,065.22x = 3,659,334,905,146,746,880
  5. Step 5: Solve for x
    x = 3,659,334,905,146,746,880/2,172,816,065.22
  6. Step 6: Final answer
    x = 1,684,143,892.21

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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.