Home / 695,369,025.64-959,662,628.94-398,104,504.48

Finding the Fourth Proportional to 695,369,025.64, 959,662,628.94 and 398,104,504.48

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Solution

The fourth proportional to 695,369,025.64, 959,662,628.94 and 398,104,504.48 is: 549,414,772.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,369,025.64 : 959,662,628.94 = 398,104,504.48 : x
  2. Step 2: Convert to fraction form
    695,369,025.64/959,662,628.94 = 398,104,504.48/x
  3. Step 3: Cross multiply
    695,369,025.64x = 959,662,628.94 × 398,104,504.48
  4. Step 4: Simplify right side
    695,369,025.64x = 382,046,015,362,132,864
  5. Step 5: Solve for x
    x = 382,046,015,362,132,864/695,369,025.64
  6. Step 6: Final answer
    x = 549,414,772.98

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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.