Home / 353,158,403.49-487,354,729.19-194,385,131.64

Finding the Fourth Proportional to 353,158,403.49, 487,354,729.19 and 194,385,131.64

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Solution

The fourth proportional to 353,158,403.49, 487,354,729.19 and 194,385,131.64 is: 268,249,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,158,403.49 : 487,354,729.19 = 194,385,131.64 : x
  2. Step 2: Convert to fraction form
    353,158,403.49/487,354,729.19 = 194,385,131.64/x
  3. Step 3: Cross multiply
    353,158,403.49x = 487,354,729.19 × 194,385,131.64
  4. Step 4: Simplify right side
    353,158,403.49x = 94,734,513,188,002,768
  5. Step 5: Solve for x
    x = 94,734,513,188,002,768/353,158,403.49
  6. Step 6: Final answer
    x = 268,249,352.85

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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.