Home / 648,483,523.70-972,826,062.50-217,762,796.66

Finding the Fourth Proportional to 648,483,523.70, 972,826,062.50 and 217,762,796.66

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Solution

The fourth proportional to 648,483,523.70, 972,826,062.50 and 217,762,796.66 is: 326,678,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,483,523.70 : 972,826,062.50 = 217,762,796.66 : x
  2. Step 2: Convert to fraction form
    648,483,523.70/972,826,062.50 = 217,762,796.66/x
  3. Step 3: Cross multiply
    648,483,523.70x = 972,826,062.50 × 217,762,796.66
  4. Step 4: Simplify right side
    648,483,523.70x = 211,845,324,027,783,008
  5. Step 5: Solve for x
    x = 211,845,324,027,783,008/648,483,523.70
  6. Step 6: Final answer
    x = 326,678,036.20

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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.