Home / 368,881,223.14-509,290,863.69-229,856,227.30

Finding the Fourth Proportional to 368,881,223.14, 509,290,863.69 and 229,856,227.30

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Solution

The fourth proportional to 368,881,223.14, 509,290,863.69 and 229,856,227.30 is: 317,347,886.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,881,223.14 : 509,290,863.69 = 229,856,227.30 : x
  2. Step 2: Convert to fraction form
    368,881,223.14/509,290,863.69 = 229,856,227.30/x
  3. Step 3: Cross multiply
    368,881,223.14x = 509,290,863.69 × 229,856,227.30
  4. Step 4: Simplify right side
    368,881,223.14x = 117,063,676,526,141,968
  5. Step 5: Solve for x
    x = 117,063,676,526,141,968/368,881,223.14
  6. Step 6: Final answer
    x = 317,347,886.48

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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.