Home / 637,095,336,798.57-955,793,724,024.39-206,831,589,815.76

Finding the Fourth Proportional to 637,095,336,798.57, 955,793,724,024.39 and 206,831,589,815.76

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Solution

The fourth proportional to 637,095,336,798.57, 955,793,724,024.39 and 206,831,589,815.76 is: 310,296,315,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,095,336,798.57 : 955,793,724,024.39 = 206,831,589,815.76 : x
  2. Step 2: Convert to fraction form
    637,095,336,798.57/955,793,724,024.39 = 206,831,589,815.76/x
  3. Step 3: Cross multiply
    637,095,336,798.57x = 955,793,724,024.39 × 206,831,589,815.76
  4. Step 4: Simplify right side
    637,095,336,798.57x = 197,688,335,475,890,368,544,768
  5. Step 5: Solve for x
    x = 197,688,335,475,890,368,544,768/637,095,336,798.57
  6. Step 6: Final answer
    x = 310,296,315,256.81

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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.