Home / 386,548,786.30-533,432,841.06-210,333,745.60

Finding the Fourth Proportional to 386,548,786.30, 533,432,841.06 and 210,333,745.60

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Solution

The fourth proportional to 386,548,786.30, 533,432,841.06 and 210,333,745.60 is: 290,258,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,548,786.30 : 533,432,841.06 = 210,333,745.60 : x
  2. Step 2: Convert to fraction form
    386,548,786.30/533,432,841.06 = 210,333,745.60/x
  3. Step 3: Cross multiply
    386,548,786.30x = 533,432,841.06 × 210,333,745.60
  4. Step 4: Simplify right side
    386,548,786.30x = 112,198,927,484,460,592
  5. Step 5: Solve for x
    x = 112,198,927,484,460,592/386,548,786.30
  6. Step 6: Final answer
    x = 290,258,129.01

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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.