Home / 285,090,464,338.78-393,458,568,650.14-169,347,681,259.36

Finding the Fourth Proportional to 285,090,464,338.78, 393,458,568,650.14 and 169,347,681,259.36

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Solution

The fourth proportional to 285,090,464,338.78, 393,458,568,650.14 and 169,347,681,259.36 is: 233,719,834,955.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,090,464,338.78 : 393,458,568,650.14 = 169,347,681,259.36 : x
  2. Step 2: Convert to fraction form
    285,090,464,338.78/393,458,568,650.14 = 169,347,681,259.36/x
  3. Step 3: Cross multiply
    285,090,464,338.78x = 393,458,568,650.14 × 169,347,681,259.36
  4. Step 4: Simplify right side
    285,090,464,338.78x = 66,631,296,272,527,918,104,576
  5. Step 5: Solve for x
    x = 66,631,296,272,527,918,104,576/285,090,464,338.78
  6. Step 6: Final answer
    x = 233,719,834,955.08

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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.