Home / 289,762,653.39-399,836,167.73-195,881,067.98

Finding the Fourth Proportional to 289,762,653.39, 399,836,167.73 and 195,881,067.98

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Solution

The fourth proportional to 289,762,653.39, 399,836,167.73 and 195,881,067.98 is: 270,291,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,762,653.39 : 399,836,167.73 = 195,881,067.98 : x
  2. Step 2: Convert to fraction form
    289,762,653.39/399,836,167.73 = 195,881,067.98/x
  3. Step 3: Cross multiply
    289,762,653.39x = 399,836,167.73 × 195,881,067.98
  4. Step 4: Simplify right side
    289,762,653.39x = 78,320,335,549,004,224
  5. Step 5: Solve for x
    x = 78,320,335,549,004,224/289,762,653.39
  6. Step 6: Final answer
    x = 270,291,338.90

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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.