Home / 902,152,234.39-1,244,947,861.90-500,263,762.39

Finding the Fourth Proportional to 902,152,234.39, 1,244,947,861.90 and 500,263,762.39

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Solution

The fourth proportional to 902,152,234.39, 1,244,947,861.90 and 500,263,762.39 is: 690,351,669.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,152,234.39 : 1,244,947,861.90 = 500,263,762.39 : x
  2. Step 2: Convert to fraction form
    902,152,234.39/1,244,947,861.90 = 500,263,762.39/x
  3. Step 3: Cross multiply
    902,152,234.39x = 1,244,947,861.90 × 500,263,762.39
  4. Step 4: Simplify right side
    902,152,234.39x = 622,802,301,373,480,192
  5. Step 5: Solve for x
    x = 622,802,301,373,480,192/902,152,234.39
  6. Step 6: Final answer
    x = 690,351,669.74

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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.