Home / 863,481,823.28-1,191,604,907.70-467,004,801.42

Finding the Fourth Proportional to 863,481,823.28, 1,191,604,907.70 and 467,004,801.42

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Solution

The fourth proportional to 863,481,823.28, 1,191,604,907.70 and 467,004,801.42 is: 644,466,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,481,823.28 : 1,191,604,907.70 = 467,004,801.42 : x
  2. Step 2: Convert to fraction form
    863,481,823.28/1,191,604,907.70 = 467,004,801.42/x
  3. Step 3: Cross multiply
    863,481,823.28x = 1,191,604,907.70 × 467,004,801.42
  4. Step 4: Simplify right side
    863,481,823.28x = 556,485,213,291,536,000
  5. Step 5: Solve for x
    x = 556,485,213,291,536,000/863,481,823.28
  6. Step 6: Final answer
    x = 644,466,621.41

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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.