Home / 525,757,299.12-789,023,433.48-249,409,379.76

Finding the Fourth Proportional to 525,757,299.12, 789,023,433.48 and 249,409,379.76

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Solution

The fourth proportional to 525,757,299.12, 789,023,433.48 and 249,409,379.76 is: 374,297,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,757,299.12 : 789,023,433.48 = 249,409,379.76 : x
  2. Step 2: Convert to fraction form
    525,757,299.12/789,023,433.48 = 249,409,379.76/x
  3. Step 3: Cross multiply
    525,757,299.12x = 789,023,433.48 × 249,409,379.76
  4. Step 4: Simplify right side
    525,757,299.12x = 196,789,845,160,352,416
  5. Step 5: Solve for x
    x = 196,789,845,160,352,416/525,757,299.12
  6. Step 6: Final answer
    x = 374,297,885.15

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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.