Home / 457,519,325.99-631,680,722.69-351,483,892.77

Finding the Fourth Proportional to 457,519,325.99, 631,680,722.69 and 351,483,892.77

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Solution

The fourth proportional to 457,519,325.99, 631,680,722.69 and 351,483,892.77 is: 485,281,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,519,325.99 : 631,680,722.69 = 351,483,892.77 : x
  2. Step 2: Convert to fraction form
    457,519,325.99/631,680,722.69 = 351,483,892.77/x
  3. Step 3: Cross multiply
    457,519,325.99x = 631,680,722.69 × 351,483,892.77
  4. Step 4: Simplify right side
    457,519,325.99x = 222,025,599,398,848,064
  5. Step 5: Solve for x
    x = 222,025,599,398,848,064/457,519,325.99
  6. Step 6: Final answer
    x = 485,281,357.06

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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.