Home / 648,223,648.56-972,334,018.08-500,885,469.36

Finding the Fourth Proportional to 648,223,648.56, 972,334,018.08 and 500,885,469.36

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Solution

The fourth proportional to 648,223,648.56, 972,334,018.08 and 500,885,469.36 is: 751,327,079.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,223,648.56 : 972,334,018.08 = 500,885,469.36 : x
  2. Step 2: Convert to fraction form
    648,223,648.56/972,334,018.08 = 500,885,469.36/x
  3. Step 3: Cross multiply
    648,223,648.56x = 972,334,018.08 × 500,885,469.36
  4. Step 4: Simplify right side
    648,223,648.56x = 487,027,981,020,695,552
  5. Step 5: Solve for x
    x = 487,027,981,020,695,552/648,223,648.56
  6. Step 6: Final answer
    x = 751,327,079.94

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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.