Home / 1,327,021,443-1,831,290,379.20-740,310,579

Finding the Fourth Proportional to 1,327,021,443, 1,831,290,379.20 and 740,310,579

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Solution

The fourth proportional to 1,327,021,443, 1,831,290,379.20 and 740,310,579 is: 1,021,629,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,021,443 : 1,831,290,379.20 = 740,310,579 : x
  2. Step 2: Convert to fraction form
    1,327,021,443/1,831,290,379.20 = 740,310,579/x
  3. Step 3: Cross multiply
    1,327,021,443x = 1,831,290,379.20 × 740,310,579
  4. Step 4: Simplify right side
    1,327,021,443x = 1,355,723,640,942,681,600
  5. Step 5: Solve for x
    x = 1,355,723,640,942,681,600/1,327,021,443
  6. Step 6: Final answer
    x = 1,021,629,038.55

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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.