Home / 408,859,683.40-613,289,525.10-368,045,014.60

Finding the Fourth Proportional to 408,859,683.40, 613,289,525.10 and 368,045,014.60

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Solution

The fourth proportional to 408,859,683.40, 613,289,525.10 and 368,045,014.60 is: 552,067,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,859,683.40 : 613,289,525.10 = 368,045,014.60 : x
  2. Step 2: Convert to fraction form
    408,859,683.40/613,289,525.10 = 368,045,014.60/x
  3. Step 3: Cross multiply
    408,859,683.40x = 613,289,525.10 × 368,045,014.60
  4. Step 4: Simplify right side
    408,859,683.40x = 225,718,152,219,456,576
  5. Step 5: Solve for x
    x = 225,718,152,219,456,576/408,859,683.40
  6. Step 6: Final answer
    x = 552,067,521.90

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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.