Home / 715,150,501.20-1,072,725,751.80-618,215,662.80

Finding the Fourth Proportional to 715,150,501.20, 1,072,725,751.80 and 618,215,662.80

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Solution

The fourth proportional to 715,150,501.20, 1,072,725,751.80 and 618,215,662.80 is: 927,323,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,150,501.20 : 1,072,725,751.80 = 618,215,662.80 : x
  2. Step 2: Convert to fraction form
    715,150,501.20/1,072,725,751.80 = 618,215,662.80/x
  3. Step 3: Cross multiply
    715,150,501.20x = 1,072,725,751.80 × 618,215,662.80
  4. Step 4: Simplify right side
    715,150,501.20x = 663,175,861,651,665,152
  5. Step 5: Solve for x
    x = 663,175,861,651,665,152/715,150,501.20
  6. Step 6: Final answer
    x = 927,323,494.20

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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.