Home / 666,091,047.67-919,212,918.33-368,738,256.66

Finding the Fourth Proportional to 666,091,047.67, 919,212,918.33 and 368,738,256.66

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Solution

The fourth proportional to 666,091,047.67, 919,212,918.33 and 368,738,256.66 is: 508,862,820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,091,047.67 : 919,212,918.33 = 368,738,256.66 : x
  2. Step 2: Convert to fraction form
    666,091,047.67/919,212,918.33 = 368,738,256.66/x
  3. Step 3: Cross multiply
    666,091,047.67x = 919,212,918.33 × 368,738,256.66
  4. Step 4: Simplify right side
    666,091,047.67x = 338,948,969,002,290,880
  5. Step 5: Solve for x
    x = 338,948,969,002,290,880/666,091,047.67
  6. Step 6: Final answer
    x = 508,862,820.16

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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.