Home / 542,257,919.13-748,263,639.52-304,112,771.58

Finding the Fourth Proportional to 542,257,919.13, 748,263,639.52 and 304,112,771.58

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Solution

The fourth proportional to 542,257,919.13, 748,263,639.52 and 304,112,771.58 is: 419,646,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,257,919.13 : 748,263,639.52 = 304,112,771.58 : x
  2. Step 2: Convert to fraction form
    542,257,919.13/748,263,639.52 = 304,112,771.58/x
  3. Step 3: Cross multiply
    542,257,919.13x = 748,263,639.52 × 304,112,771.58
  4. Step 4: Simplify right side
    542,257,919.13x = 227,556,529,282,463,616
  5. Step 5: Solve for x
    x = 227,556,529,282,463,616/542,257,919.13
  6. Step 6: Final answer
    x = 419,646,299.77

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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.