Home / 452,724,789.96-679,086,336.70-141,856,204.12

Finding the Fourth Proportional to 452,724,789.96, 679,086,336.70 and 141,856,204.12

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Solution

The fourth proportional to 452,724,789.96, 679,086,336.70 and 141,856,204.12 is: 212,784,040.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,724,789.96 : 679,086,336.70 = 141,856,204.12 : x
  2. Step 2: Convert to fraction form
    452,724,789.96/679,086,336.70 = 141,856,204.12/x
  3. Step 3: Cross multiply
    452,724,789.96x = 679,086,336.70 × 141,856,204.12
  4. Step 4: Simplify right side
    452,724,789.96x = 96,332,609,994,018,256
  5. Step 5: Solve for x
    x = 96,332,609,994,018,256/452,724,789.96
  6. Step 6: Final answer
    x = 212,784,040.39

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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.