Home / 299,088,920.46-448,791,443.91-212,211,893.79

Finding the Fourth Proportional to 299,088,920.46, 448,791,443.91 and 212,211,893.79

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Solution

The fourth proportional to 299,088,920.46, 448,791,443.91 and 212,211,893.79 is: 318,429,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,088,920.46 : 448,791,443.91 = 212,211,893.79 : x
  2. Step 2: Convert to fraction form
    299,088,920.46/448,791,443.91 = 212,211,893.79/x
  3. Step 3: Cross multiply
    299,088,920.46x = 448,791,443.91 × 212,211,893.79
  4. Step 4: Simplify right side
    299,088,920.46x = 95,238,882,228,889,664
  5. Step 5: Solve for x
    x = 95,238,882,228,889,664/299,088,920.46
  6. Step 6: Final answer
    x = 318,429,990.93

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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.