Home / 2,175,321,835.40-3,260,659,622.81-1,240,632,068.76

Finding the Fourth Proportional to 2,175,321,835.40, 3,260,659,622.81 and 1,240,632,068.76

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Solution

The fourth proportional to 2,175,321,835.40, 3,260,659,622.81 and 1,240,632,068.76 is: 1,859,623,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,321,835.40 : 3,260,659,622.81 = 1,240,632,068.76 : x
  2. Step 2: Convert to fraction form
    2,175,321,835.40/3,260,659,622.81 = 1,240,632,068.76/x
  3. Step 3: Cross multiply
    2,175,321,835.40x = 3,260,659,622.81 × 1,240,632,068.76
  4. Step 4: Simplify right side
    2,175,321,835.40x = 4,045,278,893,362,768,384
  5. Step 5: Solve for x
    x = 4,045,278,893,362,768,384/2,175,321,835.40
  6. Step 6: Final answer
    x = 1,859,623,172.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.