Home / 756,454,985.31-1,133,093,448.91-479,963,879.06

Finding the Fourth Proportional to 756,454,985.31, 1,133,093,448.91 and 479,963,879.06

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Solution

The fourth proportional to 756,454,985.31, 1,133,093,448.91 and 479,963,879.06 is: 718,937,593.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,454,985.31 : 1,133,093,448.91 = 479,963,879.06 : x
  2. Step 2: Convert to fraction form
    756,454,985.31/1,133,093,448.91 = 479,963,879.06/x
  3. Step 3: Cross multiply
    756,454,985.31x = 1,133,093,448.91 × 479,963,879.06
  4. Step 4: Simplify right side
    756,454,985.31x = 543,843,927,076,317,568
  5. Step 5: Solve for x
    x = 543,843,927,076,317,568/756,454,985.31
  6. Step 6: Final answer
    x = 718,937,593.96

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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.