Home / 862,275,446.80-1,293,413,170.20-248,879,683.60

Finding the Fourth Proportional to 862,275,446.80, 1,293,413,170.20 and 248,879,683.60

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Solution

The fourth proportional to 862,275,446.80, 1,293,413,170.20 and 248,879,683.60 is: 373,319,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,275,446.80 : 1,293,413,170.20 = 248,879,683.60 : x
  2. Step 2: Convert to fraction form
    862,275,446.80/1,293,413,170.20 = 248,879,683.60/x
  3. Step 3: Cross multiply
    862,275,446.80x = 1,293,413,170.20 × 248,879,683.60
  4. Step 4: Simplify right side
    862,275,446.80x = 321,904,260,563,448,960
  5. Step 5: Solve for x
    x = 321,904,260,563,448,960/862,275,446.80
  6. Step 6: Final answer
    x = 373,319,525.40

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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.