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Finding the Fourth Proportional to 363,965,104, 545,947,656 and 121,628,008

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Solution

The fourth proportional to 363,965,104, 545,947,656 and 121,628,008 is: 182,442,012

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,965,104 : 545,947,656 = 121,628,008 : x
  2. Step 2: Convert to fraction form
    363,965,104/545,947,656 = 121,628,008/x
  3. Step 3: Cross multiply
    363,965,104x = 545,947,656 × 121,628,008
  4. Step 4: Simplify right side
    363,965,104x = 66,402,525,871,549,248
  5. Step 5: Solve for x
    x = 66,402,525,871,549,248/363,965,104
  6. Step 6: Final answer
    x = 182,442,012

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.