Home / 1,098,245,996.09-1,515,672,946.06-622,021,081.76

Finding the Fourth Proportional to 1,098,245,996.09, 1,515,672,946.06 and 622,021,081.76

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Solution

The fourth proportional to 1,098,245,996.09, 1,515,672,946.06 and 622,021,081.76 is: 858,442,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,245,996.09 : 1,515,672,946.06 = 622,021,081.76 : x
  2. Step 2: Convert to fraction form
    1,098,245,996.09/1,515,672,946.06 = 622,021,081.76/x
  3. Step 3: Cross multiply
    1,098,245,996.09x = 1,515,672,946.06 × 622,021,081.76
  4. Step 4: Simplify right side
    1,098,245,996.09x = 942,780,525,504,841,472
  5. Step 5: Solve for x
    x = 942,780,525,504,841,472/1,098,245,996.09
  6. Step 6: Final answer
    x = 858,442,032.90

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Double scale
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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.