Home / 282,689,952,740.56-390,111,603,540.22-154,231,488,375.99

Finding the Fourth Proportional to 282,689,952,740.56, 390,111,603,540.22 and 154,231,488,375.99

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Solution

The fourth proportional to 282,689,952,740.56, 390,111,603,540.22 and 154,231,488,375.99 is: 212,839,164,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,689,952,740.56 : 390,111,603,540.22 = 154,231,488,375.99 : x
  2. Step 2: Convert to fraction form
    282,689,952,740.56/390,111,603,540.22 = 154,231,488,375.99/x
  3. Step 3: Cross multiply
    282,689,952,740.56x = 390,111,603,540.22 × 154,231,488,375.99
  4. Step 4: Simplify right side
    282,689,952,740.56x = 60,167,493,246,752,254,853,120
  5. Step 5: Solve for x
    x = 60,167,493,246,752,254,853,120/282,689,952,740.56
  6. Step 6: Final answer
    x = 212,839,164,121.16

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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.