Home / 1,553,338,170.72-2,143,606,593.60-838,873,655.25

Finding the Fourth Proportional to 1,553,338,170.72, 2,143,606,593.60 and 838,873,655.25

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Solution

The fourth proportional to 1,553,338,170.72, 2,143,606,593.60 and 838,873,655.25 is: 1,157,645,599.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,338,170.72 : 2,143,606,593.60 = 838,873,655.25 : x
  2. Step 2: Convert to fraction form
    1,553,338,170.72/2,143,606,593.60 = 838,873,655.25/x
  3. Step 3: Cross multiply
    1,553,338,170.72x = 2,143,606,593.60 × 838,873,655.25
  4. Step 4: Simplify right side
    1,553,338,170.72x = 1,798,215,098,597,742,080
  5. Step 5: Solve for x
    x = 1,798,215,098,597,742,080/1,553,338,170.72
  6. Step 6: Final answer
    x = 1,157,645,599.97

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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.