Home / 831,691,277.98-1,147,373,685.94-501,482,971.42

Finding the Fourth Proportional to 831,691,277.98, 1,147,373,685.94 and 501,482,971.42

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Solution

The fourth proportional to 831,691,277.98, 1,147,373,685.94 and 501,482,971.42 is: 691,829,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,691,277.98 : 1,147,373,685.94 = 501,482,971.42 : x
  2. Step 2: Convert to fraction form
    831,691,277.98/1,147,373,685.94 = 501,482,971.42/x
  3. Step 3: Cross multiply
    831,691,277.98x = 1,147,373,685.94 × 501,482,971.42
  4. Step 4: Simplify right side
    831,691,277.98x = 575,388,365,354,309,120
  5. Step 5: Solve for x
    x = 575,388,365,354,309,120/831,691,277.98
  6. Step 6: Final answer
    x = 691,829,264.76

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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.