Home / 650,828,628.56-976,135,005.48-214,134,637.52

Finding the Fourth Proportional to 650,828,628.56, 976,135,005.48 and 214,134,637.52

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Solution

The fourth proportional to 650,828,628.56, 976,135,005.48 and 214,134,637.52 is: 321,166,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,828,628.56 : 976,135,005.48 = 214,134,637.52 : x
  2. Step 2: Convert to fraction form
    650,828,628.56/976,135,005.48 = 214,134,637.52/x
  3. Step 3: Cross multiply
    650,828,628.56x = 976,135,005.48 × 214,134,637.52
  4. Step 4: Simplify right side
    650,828,628.56x = 209,024,315,569,043,040
  5. Step 5: Solve for x
    x = 209,024,315,569,043,040/650,828,628.56
  6. Step 6: Final answer
    x = 321,166,442.90

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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.