Home / 345,878,178.60-477,311,571.54-189,245,938.44

Finding the Fourth Proportional to 345,878,178.60, 477,311,571.54 and 189,245,938.44

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Solution

The fourth proportional to 345,878,178.60, 477,311,571.54 and 189,245,938.44 is: 261,159,222.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,878,178.60 : 477,311,571.54 = 189,245,938.44 : x
  2. Step 2: Convert to fraction form
    345,878,178.60/477,311,571.54 = 189,245,938.44/x
  3. Step 3: Cross multiply
    345,878,178.60x = 477,311,571.54 × 189,245,938.44
  4. Step 4: Simplify right side
    345,878,178.60x = 90,329,276,284,358,496
  5. Step 5: Solve for x
    x = 90,329,276,284,358,496/345,878,178.60
  6. Step 6: Final answer
    x = 261,159,222.74

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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.