Home / 491,177,117.20-736,777,485.60-146,142,000.40

Finding the Fourth Proportional to 491,177,117.20, 736,777,485.60 and 146,142,000.40

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Solution

The fourth proportional to 491,177,117.20, 736,777,485.60 and 146,142,000.40 is: 219,216,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,177,117.20 : 736,777,485.60 = 146,142,000.40 : x
  2. Step 2: Convert to fraction form
    491,177,117.20/736,777,485.60 = 146,142,000.40/x
  3. Step 3: Cross multiply
    491,177,117.20x = 736,777,485.60 × 146,142,000.40
  4. Step 4: Simplify right side
    491,177,117.20x = 107,674,135,595,266,208
  5. Step 5: Solve for x
    x = 107,674,135,595,266,208/491,177,117.20
  6. Step 6: Final answer
    x = 219,216,514.42

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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.