Home / 368,056,961.63-507,916,196.07-209,287,096.18

Finding the Fourth Proportional to 368,056,961.63, 507,916,196.07 and 209,287,096.18

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Solution

The fourth proportional to 368,056,961.63, 507,916,196.07 and 209,287,096.18 is: 288,814,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,056,961.63 : 507,916,196.07 = 209,287,096.18 : x
  2. Step 2: Convert to fraction form
    368,056,961.63/507,916,196.07 = 209,287,096.18/x
  3. Step 3: Cross multiply
    368,056,961.63x = 507,916,196.07 × 209,287,096.18
  4. Step 4: Simplify right side
    368,056,961.63x = 106,300,305,776,227,216
  5. Step 5: Solve for x
    x = 106,300,305,776,227,216/368,056,961.63
  6. Step 6: Final answer
    x = 288,814,821.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.