Home / 386,859,837.06-533,864,301.19-210,647,410.50

Finding the Fourth Proportional to 386,859,837.06, 533,864,301.19 and 210,647,410.50

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Solution

The fourth proportional to 386,859,837.06, 533,864,301.19 and 210,647,410.50 is: 290,692,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,859,837.06 : 533,864,301.19 = 210,647,410.50 : x
  2. Step 2: Convert to fraction form
    386,859,837.06/533,864,301.19 = 210,647,410.50/x
  3. Step 3: Cross multiply
    386,859,837.06x = 533,864,301.19 × 210,647,410.50
  4. Step 4: Simplify right side
    386,859,837.06x = 112,457,132,603,012,336
  5. Step 5: Solve for x
    x = 112,457,132,603,012,336/386,859,837.06
  6. Step 6: Final answer
    x = 290,692,188.31

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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.