Home / 299,088,963.34-448,791,508.10-212,211,936.65

Finding the Fourth Proportional to 299,088,963.34, 448,791,508.10 and 212,211,936.65

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Solution

The fourth proportional to 299,088,963.34, 448,791,508.10 and 212,211,936.65 is: 318,430,055.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,088,963.34 : 448,791,508.10 = 212,211,936.65 : x
  2. Step 2: Convert to fraction form
    299,088,963.34/448,791,508.10 = 212,211,936.65/x
  3. Step 3: Cross multiply
    299,088,963.34x = 448,791,508.10 × 212,211,936.65
  4. Step 4: Simplify right side
    299,088,963.34x = 95,238,915,087,627,680
  5. Step 5: Solve for x
    x = 95,238,915,087,627,680/299,088,963.34
  6. Step 6: Final answer
    x = 318,430,055.14

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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.