Home / 556,003,324.99-767,296,307.78-305,105,522.31

Finding the Fourth Proportional to 556,003,324.99, 767,296,307.78 and 305,105,522.31

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Solution

The fourth proportional to 556,003,324.99, 767,296,307.78 and 305,105,522.31 is: 421,052,051.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,003,324.99 : 767,296,307.78 = 305,105,522.31 : x
  2. Step 2: Convert to fraction form
    556,003,324.99/767,296,307.78 = 305,105,522.31/x
  3. Step 3: Cross multiply
    556,003,324.99x = 767,296,307.78 × 305,105,522.31
  4. Step 4: Simplify right side
    556,003,324.99x = 234,106,340,747,914,944
  5. Step 5: Solve for x
    x = 234,106,340,747,914,944/556,003,324.99
  6. Step 6: Final answer
    x = 421,052,051.72

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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.