Home / 763,932,667.37-1,145,429,724.06-297,049,874.45

Finding the Fourth Proportional to 763,932,667.37, 1,145,429,724.06 and 297,049,874.45

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Solution

The fourth proportional to 763,932,667.37, 1,145,429,724.06 and 297,049,874.45 is: 445,392,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,932,667.37 : 1,145,429,724.06 = 297,049,874.45 : x
  2. Step 2: Convert to fraction form
    763,932,667.37/1,145,429,724.06 = 297,049,874.45/x
  3. Step 3: Cross multiply
    763,932,667.37x = 1,145,429,724.06 × 297,049,874.45
  4. Step 4: Simplify right side
    763,932,667.37x = 340,249,755,716,108,736
  5. Step 5: Solve for x
    x = 340,249,755,716,108,736/763,932,667.37
  6. Step 6: Final answer
    x = 445,392,336.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.