Home / 345,344,311.08-476,576,418.60-188,711,441.64

Finding the Fourth Proportional to 345,344,311.08, 476,576,418.60 and 188,711,441.64

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Solution

The fourth proportional to 345,344,311.08, 476,576,418.60 and 188,711,441.64 is: 260,422,483.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,344,311.08 : 476,576,418.60 = 188,711,441.64 : x
  2. Step 2: Convert to fraction form
    345,344,311.08/476,576,418.60 = 188,711,441.64/x
  3. Step 3: Cross multiply
    345,344,311.08x = 476,576,418.60 × 188,711,441.64
  4. Step 4: Simplify right side
    345,344,311.08x = 89,935,423,005,634,112
  5. Step 5: Solve for x
    x = 89,935,423,005,634,112/345,344,311.08
  6. Step 6: Final answer
    x = 260,422,483.07

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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.