Home / 831,691,282.50-1,147,373,692.14-501,482,975.94

Finding the Fourth Proportional to 831,691,282.50, 1,147,373,692.14 and 501,482,975.94

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Solution

The fourth proportional to 831,691,282.50, 1,147,373,692.14 and 501,482,975.94 is: 691,829,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,691,282.50 : 1,147,373,692.14 = 501,482,975.94 : x
  2. Step 2: Convert to fraction form
    831,691,282.50/1,147,373,692.14 = 501,482,975.94/x
  3. Step 3: Cross multiply
    831,691,282.50x = 1,147,373,692.14 × 501,482,975.94
  4. Step 4: Simplify right side
    831,691,282.50x = 575,388,373,649,632,640
  5. Step 5: Solve for x
    x = 575,388,373,649,632,640/831,691,282.50
  6. Step 6: Final answer
    x = 691,829,270.98

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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.