Home / 427,087,400.48-589,343,940.96-248,504,328.80

Finding the Fourth Proportional to 427,087,400.48, 589,343,940.96 and 248,504,328.80

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Solution

The fourth proportional to 427,087,400.48, 589,343,940.96 and 248,504,328.80 is: 342,914,636.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,087,400.48 : 589,343,940.96 = 248,504,328.80 : x
  2. Step 2: Convert to fraction form
    427,087,400.48/589,343,940.96 = 248,504,328.80/x
  3. Step 3: Cross multiply
    427,087,400.48x = 589,343,940.96 × 248,504,328.80
  4. Step 4: Simplify right side
    427,087,400.48x = 146,454,520,480,611,648
  5. Step 5: Solve for x
    x = 146,454,520,480,611,648/427,087,400.48
  6. Step 6: Final answer
    x = 342,914,636.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.