Home / 762,562,393.92-1,052,251,895.88-427,958,172

Finding the Fourth Proportional to 762,562,393.92, 1,052,251,895.88 and 427,958,172

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Solution

The fourth proportional to 762,562,393.92, 1,052,251,895.88 and 427,958,172 is: 590,535,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,562,393.92 : 1,052,251,895.88 = 427,958,172 : x
  2. Step 2: Convert to fraction form
    762,562,393.92/1,052,251,895.88 = 427,958,172/x
  3. Step 3: Cross multiply
    762,562,393.92x = 1,052,251,895.88 × 427,958,172
  4. Step 4: Simplify right side
    762,562,393.92x = 450,319,797,844,339,136
  5. Step 5: Solve for x
    x = 450,319,797,844,339,136/762,562,393.92
  6. Step 6: Final answer
    x = 590,535,019.08

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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.