Home / 991,035,675.30-1,486,457,255.79-300,948,907.98

Finding the Fourth Proportional to 991,035,675.30, 1,486,457,255.79 and 300,948,907.98

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Solution

The fourth proportional to 991,035,675.30, 1,486,457,255.79 and 300,948,907.98 is: 451,394,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,035,675.30 : 1,486,457,255.79 = 300,948,907.98 : x
  2. Step 2: Convert to fraction form
    991,035,675.30/1,486,457,255.79 = 300,948,907.98/x
  3. Step 3: Cross multiply
    991,035,675.30x = 1,486,457,255.79 × 300,948,907.98
  4. Step 4: Simplify right side
    991,035,675.30x = 447,347,687,888,948,032
  5. Step 5: Solve for x
    x = 447,347,687,888,948,032/991,035,675.30
  6. Step 6: Final answer
    x = 451,394,131.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.