Home / 635,816,021.10-877,434,017.67-384,917,082.54

Finding the Fourth Proportional to 635,816,021.10, 877,434,017.67 and 384,917,082.54

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Solution

The fourth proportional to 635,816,021.10, 877,434,017.67 and 384,917,082.54 is: 531,190,361.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,816,021.10 : 877,434,017.67 = 384,917,082.54 : x
  2. Step 2: Convert to fraction form
    635,816,021.10/877,434,017.67 = 384,917,082.54/x
  3. Step 3: Cross multiply
    635,816,021.10x = 877,434,017.67 × 384,917,082.54
  4. Step 4: Simplify right side
    635,816,021.10x = 337,739,342,202,887,232
  5. Step 5: Solve for x
    x = 337,739,342,202,887,232/635,816,021.10
  6. Step 6: Final answer
    x = 531,190,361.67

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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.