Home / 481,071,358.17-663,878,474.34-261,054,784.17

Finding the Fourth Proportional to 481,071,358.17, 663,878,474.34 and 261,054,784.17

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Solution

The fourth proportional to 481,071,358.17, 663,878,474.34 and 261,054,784.17 is: 360,255,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,071,358.17 : 663,878,474.34 = 261,054,784.17 : x
  2. Step 2: Convert to fraction form
    481,071,358.17/663,878,474.34 = 261,054,784.17/x
  3. Step 3: Cross multiply
    481,071,358.17x = 663,878,474.34 × 261,054,784.17
  4. Step 4: Simplify right side
    481,071,358.17x = 173,308,651,833,937,568
  5. Step 5: Solve for x
    x = 173,308,651,833,937,568/481,071,358.17
  6. Step 6: Final answer
    x = 360,255,602.19

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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.