Home / 2,172,816,059.22-2,998,558,589.04-1,220,364,641.34

Finding the Fourth Proportional to 2,172,816,059.22, 2,998,558,589.04 and 1,220,364,641.34

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Solution

The fourth proportional to 2,172,816,059.22, 2,998,558,589.04 and 1,220,364,641.34 is: 1,684,143,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,816,059.22 : 2,998,558,589.04 = 1,220,364,641.34 : x
  2. Step 2: Convert to fraction form
    2,172,816,059.22/2,998,558,589.04 = 1,220,364,641.34/x
  3. Step 3: Cross multiply
    2,172,816,059.22x = 2,998,558,589.04 × 1,220,364,641.34
  4. Step 4: Simplify right side
    2,172,816,059.22x = 3,659,334,877,050,775,552
  5. Step 5: Solve for x
    x = 3,659,334,877,050,775,552/2,172,816,059.22
  6. Step 6: Final answer
    x = 1,684,143,883.93

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Double scale
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1.5x scale

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.