Home / 340,113,872.32-469,355,992.79-191,434,907.27

Finding the Fourth Proportional to 340,113,872.32, 469,355,992.79 and 191,434,907.27

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Solution

The fourth proportional to 340,113,872.32, 469,355,992.79 and 191,434,907.27 is: 264,179,524.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,113,872.32 : 469,355,992.79 = 191,434,907.27 : x
  2. Step 2: Convert to fraction form
    340,113,872.32/469,355,992.79 = 191,434,907.27/x
  3. Step 3: Cross multiply
    340,113,872.32x = 469,355,992.79 × 191,434,907.27
  4. Step 4: Simplify right side
    340,113,872.32x = 89,851,120,956,372,448
  5. Step 5: Solve for x
    x = 89,851,120,956,372,448/340,113,872.32
  6. Step 6: Final answer
    x = 264,179,524.18

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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.