Home / 1,273,460,521.82-1,910,580,622.78-652,115,689.16

Finding the Fourth Proportional to 1,273,460,521.82, 1,910,580,622.78 and 652,115,689.16

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Solution

The fourth proportional to 1,273,460,521.82, 1,910,580,622.78 and 652,115,689.16 is: 978,373,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,460,521.82 : 1,910,580,622.78 = 652,115,689.16 : x
  2. Step 2: Convert to fraction form
    1,273,460,521.82/1,910,580,622.78 = 652,115,689.16/x
  3. Step 3: Cross multiply
    1,273,460,521.82x = 1,910,580,622.78 × 652,115,689.16
  4. Step 4: Simplify right side
    1,273,460,521.82x = 1,245,919,599,519,921,664
  5. Step 5: Solve for x
    x = 1,245,919,599,519,921,664/1,273,460,521.82
  6. Step 6: Final answer
    x = 978,373,163.65

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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.