Home / 646,704,627.20-970,056,940.80-237,707,633.60

Finding the Fourth Proportional to 646,704,627.20, 970,056,940.80 and 237,707,633.60

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Solution

The fourth proportional to 646,704,627.20, 970,056,940.80 and 237,707,633.60 is: 356,561,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,704,627.20 : 970,056,940.80 = 237,707,633.60 : x
  2. Step 2: Convert to fraction form
    646,704,627.20/970,056,940.80 = 237,707,633.60/x
  3. Step 3: Cross multiply
    646,704,627.20x = 970,056,940.80 × 237,707,633.60
  4. Step 4: Simplify right side
    646,704,627.20x = 230,589,939,854,823,264
  5. Step 5: Solve for x
    x = 230,589,939,854,823,264/646,704,627.20
  6. Step 6: Final answer
    x = 356,561,450.40

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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.