Home / 618,255,728.73-927,475,414.29-203,655,969.18

Finding the Fourth Proportional to 618,255,728.73, 927,475,414.29 and 203,655,969.18

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Solution

The fourth proportional to 618,255,728.73, 927,475,414.29 and 203,655,969.18 is: 305,514,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,255,728.73 : 927,475,414.29 = 203,655,969.18 : x
  2. Step 2: Convert to fraction form
    618,255,728.73/927,475,414.29 = 203,655,969.18/x
  3. Step 3: Cross multiply
    618,255,728.73x = 927,475,414.29 × 203,655,969.18
  4. Step 4: Simplify right side
    618,255,728.73x = 188,885,904,387,851,968
  5. Step 5: Solve for x
    x = 188,885,904,387,851,968/618,255,728.73
  6. Step 6: Final answer
    x = 305,514,200.05

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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.