Home / 891,943,884.98-1,337,907,307.47-542,286,489.73

Finding the Fourth Proportional to 891,943,884.98, 1,337,907,307.47 and 542,286,489.73

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Solution

The fourth proportional to 891,943,884.98, 1,337,907,307.47 and 542,286,489.73 is: 813,424,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,943,884.98 : 1,337,907,307.47 = 542,286,489.73 : x
  2. Step 2: Convert to fraction form
    891,943,884.98/1,337,907,307.47 = 542,286,489.73/x
  3. Step 3: Cross multiply
    891,943,884.98x = 1,337,907,307.47 × 542,286,489.73
  4. Step 4: Simplify right side
    891,943,884.98x = 725,529,057,354,670,720
  5. Step 5: Solve for x
    x = 725,529,057,354,670,720/891,943,884.98
  6. Step 6: Final answer
    x = 813,424,554.58

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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.