Home / 347,095,857.42-478,990,969.20-190,465,585.56

Finding the Fourth Proportional to 347,095,857.42, 478,990,969.20 and 190,465,585.56

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Solution

The fourth proportional to 347,095,857.42, 478,990,969.20 and 190,465,585.56 is: 262,841,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,095,857.42 : 478,990,969.20 = 190,465,585.56 : x
  2. Step 2: Convert to fraction form
    347,095,857.42/478,990,969.20 = 190,465,585.56/x
  3. Step 3: Cross multiply
    347,095,857.42x = 478,990,969.20 × 190,465,585.56
  4. Step 4: Simplify right side
    347,095,857.42x = 91,231,295,426,629,920
  5. Step 5: Solve for x
    x = 91,231,295,426,629,920/347,095,857.42
  6. Step 6: Final answer
    x = 262,841,787.01

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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.