Home / 3,485,376,006.80-5,228,064,010.20-2,195,430,918.80

Finding the Fourth Proportional to 3,485,376,006.80, 5,228,064,010.20 and 2,195,430,918.80

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Solution

The fourth proportional to 3,485,376,006.80, 5,228,064,010.20 and 2,195,430,918.80 is: 3,293,146,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,376,006.80 : 5,228,064,010.20 = 2,195,430,918.80 : x
  2. Step 2: Convert to fraction form
    3,485,376,006.80/5,228,064,010.20 = 2,195,430,918.80/x
  3. Step 3: Cross multiply
    3,485,376,006.80x = 5,228,064,010.20 × 2,195,430,918.80
  4. Step 4: Simplify right side
    3,485,376,006.80x = 11,477,853,373,458,599,936
  5. Step 5: Solve for x
    x = 11,477,853,373,458,599,936/3,485,376,006.80
  6. Step 6: Final answer
    x = 3,293,146,378.20

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Double scale
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1.5x scale

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.