Home / 453,313,789.20-679,634,760.60-307,383,152.40

Finding the Fourth Proportional to 453,313,789.20, 679,634,760.60 and 307,383,152.40

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Solution

The fourth proportional to 453,313,789.20, 679,634,760.60 and 307,383,152.40 is: 460,846,945.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,313,789.20 : 679,634,760.60 = 307,383,152.40 : x
  2. Step 2: Convert to fraction form
    453,313,789.20/679,634,760.60 = 307,383,152.40/x
  3. Step 3: Cross multiply
    453,313,789.20x = 679,634,760.60 × 307,383,152.40
  4. Step 4: Simplify right side
    453,313,789.20x = 208,908,275,193,847,296
  5. Step 5: Solve for x
    x = 208,908,275,193,847,296/453,313,789.20
  6. Step 6: Final answer
    x = 460,846,945.69

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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.