Home / 477,674,058.12-659,393,591.40-321,131,958

Finding the Fourth Proportional to 477,674,058.12, 659,393,591.40 and 321,131,958

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Solution

The fourth proportional to 477,674,058.12, 659,393,591.40 and 321,131,958 is: 443,298,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,674,058.12 : 659,393,591.40 = 321,131,958 : x
  2. Step 2: Convert to fraction form
    477,674,058.12/659,393,591.40 = 321,131,958/x
  3. Step 3: Cross multiply
    477,674,058.12x = 659,393,591.40 × 321,131,958
  4. Step 4: Simplify right side
    477,674,058.12x = 211,752,355,098,933,952
  5. Step 5: Solve for x
    x = 211,752,355,098,933,952/477,674,058.12
  6. Step 6: Final answer
    x = 443,298,838.40

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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.