Home / 643,258,673.46-962,453,097.27-381,083,937.66

Finding the Fourth Proportional to 643,258,673.46, 962,453,097.27 and 381,083,937.66

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Solution

The fourth proportional to 643,258,673.46, 962,453,097.27 and 381,083,937.66 is: 570,183,397.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,258,673.46 : 962,453,097.27 = 381,083,937.66 : x
  2. Step 2: Convert to fraction form
    643,258,673.46/962,453,097.27 = 381,083,937.66/x
  3. Step 3: Cross multiply
    643,258,673.46x = 962,453,097.27 × 381,083,937.66
  4. Step 4: Simplify right side
    643,258,673.46x = 366,775,416,120,714,624
  5. Step 5: Solve for x
    x = 366,775,416,120,714,624/643,258,673.46
  6. Step 6: Final answer
    x = 570,183,397.84

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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.