Home / 831,691,274.99-1,147,373,681.81-501,482,968.43

Finding the Fourth Proportional to 831,691,274.99, 1,147,373,681.81 and 501,482,968.43

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Solution

The fourth proportional to 831,691,274.99, 1,147,373,681.81 and 501,482,968.43 is: 691,829,260.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,691,274.99 : 1,147,373,681.81 = 501,482,968.43 : x
  2. Step 2: Convert to fraction form
    831,691,274.99/1,147,373,681.81 = 501,482,968.43/x
  3. Step 3: Cross multiply
    831,691,274.99x = 1,147,373,681.81 × 501,482,968.43
  4. Step 4: Simplify right side
    831,691,274.99x = 575,388,359,844,292,864
  5. Step 5: Solve for x
    x = 575,388,359,844,292,864/831,691,274.99
  6. Step 6: Final answer
    x = 691,829,260.63

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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.