Home / 442,673,970.96-664,240,761.62-180,550,828.28

Finding the Fourth Proportional to 442,673,970.96, 664,240,761.62 and 180,550,828.28

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Solution

The fourth proportional to 442,673,970.96, 664,240,761.62 and 180,550,828.28 is: 270,919,971.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,673,970.96 : 664,240,761.62 = 180,550,828.28 : x
  2. Step 2: Convert to fraction form
    442,673,970.96/664,240,761.62 = 180,550,828.28/x
  3. Step 3: Cross multiply
    442,673,970.96x = 664,240,761.62 × 180,550,828.28
  4. Step 4: Simplify right side
    442,673,970.96x = 119,929,219,687,829,040
  5. Step 5: Solve for x
    x = 119,929,219,687,829,040/442,673,970.96
  6. Step 6: Final answer
    x = 270,919,971.71

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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.