Home / 885,863,729.22-1,222,526,918.07-509,519,718.06

Finding the Fourth Proportional to 885,863,729.22, 1,222,526,918.07 and 509,519,718.06

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Solution

The fourth proportional to 885,863,729.22, 1,222,526,918.07 and 509,519,718.06 is: 703,157,325.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,863,729.22 : 1,222,526,918.07 = 509,519,718.06 : x
  2. Step 2: Convert to fraction form
    885,863,729.22/1,222,526,918.07 = 509,519,718.06/x
  3. Step 3: Cross multiply
    885,863,729.22x = 1,222,526,918.07 × 509,519,718.06
  4. Step 4: Simplify right side
    885,863,729.22x = 622,901,570,615,787,136
  5. Step 5: Solve for x
    x = 622,901,570,615,787,136/885,863,729.22
  6. Step 6: Final answer
    x = 703,157,325.52

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Double scale
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1.5x scale

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.