Home / 28,135,390,475,508-38,827,780,601,242-15,635,647,358,724

Finding the Fourth Proportional to 28,135,390,475,508, 38,827,780,601,242 and 15,635,647,358,724

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Solution

The fourth proportional to 28,135,390,475,508, 38,827,780,601,242 and 15,635,647,358,724 is: 21,577,716,709,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135,390,475,508 : 38,827,780,601,242 = 15,635,647,358,724 : x
  2. Step 2: Convert to fraction form
    28,135,390,475,508/38,827,780,601,242 = 15,635,647,358,724/x
  3. Step 3: Cross multiply
    28,135,390,475,508x = 38,827,780,601,242 × 15,635,647,358,724
  4. Step 4: Simplify right side
    28,135,390,475,508x = 607,097,485,202,924,464,888,610,816
  5. Step 5: Solve for x
    x = 607,097,485,202,924,464,888,610,816/28,135,390,475,508
  6. Step 6: Final answer
    x = 21,577,716,709,899.79

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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.