Home / 263,778,485.10-395,483,407.65-156,017,640.30

Finding the Fourth Proportional to 263,778,485.10, 395,483,407.65 and 156,017,640.30

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Solution

The fourth proportional to 263,778,485.10, 395,483,407.65 and 156,017,640.30 is: 233,917,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,778,485.10 : 395,483,407.65 = 156,017,640.30 : x
  2. Step 2: Convert to fraction form
    263,778,485.10/395,483,407.65 = 156,017,640.30/x
  3. Step 3: Cross multiply
    263,778,485.10x = 395,483,407.65 × 156,017,640.30
  4. Step 4: Simplify right side
    263,778,485.10x = 61,702,388,039,355,968
  5. Step 5: Solve for x
    x = 61,702,388,039,355,968/263,778,485.10
  6. Step 6: Final answer
    x = 233,917,440.29

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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.