Home / 789,482,375.82-1,184,903,808.21-547,315,340.94

Finding the Fourth Proportional to 789,482,375.82, 1,184,903,808.21 and 547,315,340.94

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Solution

The fourth proportional to 789,482,375.82, 1,184,903,808.21 and 547,315,340.94 is: 821,444,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,482,375.82 : 1,184,903,808.21 = 547,315,340.94 : x
  2. Step 2: Convert to fraction form
    789,482,375.82/1,184,903,808.21 = 547,315,340.94/x
  3. Step 3: Cross multiply
    789,482,375.82x = 1,184,903,808.21 × 547,315,340.94
  4. Step 4: Simplify right side
    789,482,375.82x = 648,516,031,771,560,576
  5. Step 5: Solve for x
    x = 648,516,031,771,560,576/789,482,375.82
  6. Step 6: Final answer
    x = 821,444,596.65

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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.