Home / 466,157,067.12-643,296,655.62-257,313,155.22

Finding the Fourth Proportional to 466,157,067.12, 643,296,655.62 and 257,313,155.22

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Solution

The fourth proportional to 466,157,067.12, 643,296,655.62 and 257,313,155.22 is: 355,092,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,157,067.12 : 643,296,655.62 = 257,313,155.22 : x
  2. Step 2: Convert to fraction form
    466,157,067.12/643,296,655.62 = 257,313,155.22/x
  3. Step 3: Cross multiply
    466,157,067.12x = 643,296,655.62 × 257,313,155.22
  4. Step 4: Simplify right side
    466,157,067.12x = 165,528,692,200,055,936
  5. Step 5: Solve for x
    x = 165,528,692,200,055,936/466,157,067.12
  6. Step 6: Final answer
    x = 355,092,100.66

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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.