Home / 1,320,149,038-1,821,820,172.52-725,433,676.24

Finding the Fourth Proportional to 1,320,149,038, 1,821,820,172.52 and 725,433,676.24

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Solution

The fourth proportional to 1,320,149,038, 1,821,820,172.52 and 725,433,676.24 is: 1,001,106,441.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,149,038 : 1,821,820,172.52 = 725,433,676.24 : x
  2. Step 2: Convert to fraction form
    1,320,149,038/1,821,820,172.52 = 725,433,676.24/x
  3. Step 3: Cross multiply
    1,320,149,038x = 1,821,820,172.52 × 725,433,676.24
  4. Step 4: Simplify right side
    1,320,149,038x = 1,321,609,705,199,374,592
  5. Step 5: Solve for x
    x = 1,321,609,705,199,374,592/1,320,149,038
  6. Step 6: Final answer
    x = 1,001,106,441.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.