Home / 1,380,606,081.12-2,071,199,969.19-447,856,098.03

Finding the Fourth Proportional to 1,380,606,081.12, 2,071,199,969.19 and 447,856,098.03

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Solution

The fourth proportional to 1,380,606,081.12, 2,071,199,969.19 and 447,856,098.03 is: 671,878,495.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,606,081.12 : 2,071,199,969.19 = 447,856,098.03 : x
  2. Step 2: Convert to fraction form
    1,380,606,081.12/2,071,199,969.19 = 447,856,098.03/x
  3. Step 3: Cross multiply
    1,380,606,081.12x = 2,071,199,969.19 × 447,856,098.03
  4. Step 4: Simplify right side
    1,380,606,081.12x = 927,599,536,441,289,600
  5. Step 5: Solve for x
    x = 927,599,536,441,289,600/1,380,606,081.12
  6. Step 6: Final answer
    x = 671,878,495.34

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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.