Home / 2,100,703,780.44-3,148,239,047.94-1,634,927,640.12

Finding the Fourth Proportional to 2,100,703,780.44, 3,148,239,047.94 and 1,634,927,640.12

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Solution

The fourth proportional to 2,100,703,780.44, 3,148,239,047.94 and 1,634,927,640.12 is: 2,450,199,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,703,780.44 : 3,148,239,047.94 = 1,634,927,640.12 : x
  2. Step 2: Convert to fraction form
    2,100,703,780.44/3,148,239,047.94 = 1,634,927,640.12/x
  3. Step 3: Cross multiply
    2,100,703,780.44x = 3,148,239,047.94 × 1,634,927,640.12
  4. Step 4: Simplify right side
    2,100,703,780.44x = 5,147,143,037,182,179,328
  5. Step 5: Solve for x
    x = 5,147,143,037,182,179,328/2,100,703,780.44
  6. Step 6: Final answer
    x = 2,450,199,349.91

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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.