Home / 504,247,579.20-756,449,572.32-213,115,927.68

Finding the Fourth Proportional to 504,247,579.20, 756,449,572.32 and 213,115,927.68

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Solution

The fourth proportional to 504,247,579.20, 756,449,572.32 and 213,115,927.68 is: 319,706,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,247,579.20 : 756,449,572.32 = 213,115,927.68 : x
  2. Step 2: Convert to fraction form
    504,247,579.20/756,449,572.32 = 213,115,927.68/x
  3. Step 3: Cross multiply
    504,247,579.20x = 756,449,572.32 × 213,115,927.68
  4. Step 4: Simplify right side
    504,247,579.20x = 161,211,452,348,116,064
  5. Step 5: Solve for x
    x = 161,211,452,348,116,064/504,247,579.20
  6. Step 6: Final answer
    x = 319,706,943.57

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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.