Home / 648,223,650.06-972,334,020.33-500,885,470.86

Finding the Fourth Proportional to 648,223,650.06, 972,334,020.33 and 500,885,470.86

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Solution

The fourth proportional to 648,223,650.06, 972,334,020.33 and 500,885,470.86 is: 751,327,082.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,223,650.06 : 972,334,020.33 = 500,885,470.86 : x
  2. Step 2: Convert to fraction form
    648,223,650.06/972,334,020.33 = 500,885,470.86/x
  3. Step 3: Cross multiply
    648,223,650.06x = 972,334,020.33 × 500,885,470.86
  4. Step 4: Simplify right side
    648,223,650.06x = 487,027,983,606,188,928
  5. Step 5: Solve for x
    x = 487,027,983,606,188,928/648,223,650.06
  6. Step 6: Final answer
    x = 751,327,082.19

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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.