Home / 637,095,336,786.39-955,793,724,006.23-206,831,589,803.64

Finding the Fourth Proportional to 637,095,336,786.39, 955,793,724,006.23 and 206,831,589,803.64

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Solution

The fourth proportional to 637,095,336,786.39, 955,793,724,006.23 and 206,831,589,803.64 is: 310,296,315,238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,095,336,786.39 : 955,793,724,006.23 = 206,831,589,803.64 : x
  2. Step 2: Convert to fraction form
    637,095,336,786.39/955,793,724,006.23 = 206,831,589,803.64/x
  3. Step 3: Cross multiply
    637,095,336,786.39x = 955,793,724,006.23 × 206,831,589,803.64
  4. Step 4: Simplify right side
    637,095,336,786.39x = 197,688,335,460,550,087,540,736
  5. Step 5: Solve for x
    x = 197,688,335,460,550,087,540,736/637,095,336,786.39
  6. Step 6: Final answer
    x = 310,296,315,238.66

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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.