Home / 491,019,620.60-736,635,719.10-146,008,123.40

Finding the Fourth Proportional to 491,019,620.60, 736,635,719.10 and 146,008,123.40

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Solution

The fourth proportional to 491,019,620.60, 736,635,719.10 and 146,008,123.40 is: 219,043,790.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,019,620.60 : 736,635,719.10 = 146,008,123.40 : x
  2. Step 2: Convert to fraction form
    491,019,620.60/736,635,719.10 = 146,008,123.40/x
  3. Step 3: Cross multiply
    491,019,620.60x = 736,635,719.10 × 146,008,123.40
  4. Step 4: Simplify right side
    491,019,620.60x = 107,554,798,975,200,544
  5. Step 5: Solve for x
    x = 107,554,798,975,200,544/491,019,620.60
  6. Step 6: Final answer
    x = 219,043,790.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.