Home / 551,143,351.50-826,427,990.76-259,932,280.32

Finding the Fourth Proportional to 551,143,351.50, 826,427,990.76 and 259,932,280.32

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Solution

The fourth proportional to 551,143,351.50, 826,427,990.76 and 259,932,280.32 is: 389,763,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,143,351.50 : 826,427,990.76 = 259,932,280.32 : x
  2. Step 2: Convert to fraction form
    551,143,351.50/826,427,990.76 = 259,932,280.32/x
  3. Step 3: Cross multiply
    551,143,351.50x = 826,427,990.76 × 259,932,280.32
  4. Step 4: Simplify right side
    551,143,351.50x = 214,815,312,158,522,688
  5. Step 5: Solve for x
    x = 214,815,312,158,522,688/551,143,351.50
  6. Step 6: Final answer
    x = 389,763,047.26

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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.