Home / 863,154,908.45-1,191,151,533.26-481,672,943.55

Finding the Fourth Proportional to 863,154,908.45, 1,191,151,533.26 and 481,672,943.55

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Solution

The fourth proportional to 863,154,908.45, 1,191,151,533.26 and 481,672,943.55 is: 664,707,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,154,908.45 : 1,191,151,533.26 = 481,672,943.55 : x
  2. Step 2: Convert to fraction form
    863,154,908.45/1,191,151,533.26 = 481,672,943.55/x
  3. Step 3: Cross multiply
    863,154,908.45x = 1,191,151,533.26 × 481,672,943.55
  4. Step 4: Simplify right side
    863,154,908.45x = 573,745,465,237,031,616
  5. Step 5: Solve for x
    x = 573,745,465,237,031,616/863,154,908.45
  6. Step 6: Final answer
    x = 664,707,411.87

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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.