Home / 889,438,546,019.51-1,227,339,426,809-498,820,967,750.60

Finding the Fourth Proportional to 889,438,546,019.51, 1,227,339,426,809 and 498,820,967,750.60

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Solution

The fourth proportional to 889,438,546,019.51, 1,227,339,426,809 and 498,820,967,750.60 is: 688,324,835,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,438,546,019.51 : 1,227,339,426,809 = 498,820,967,750.60 : x
  2. Step 2: Convert to fraction form
    889,438,546,019.51/1,227,339,426,809 = 498,820,967,750.60/x
  3. Step 3: Cross multiply
    889,438,546,019.51x = 1,227,339,426,809 × 498,820,967,750.60
  4. Step 4: Simplify right side
    889,438,546,019.51x = 612,222,640,639,332,063,379,456
  5. Step 5: Solve for x
    x = 612,222,640,639,332,063,379,456/889,438,546,019.51
  6. Step 6: Final answer
    x = 688,324,835,233.65

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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.