Home / 722,278,914.33-1,081,579,157.80-475,888,563.44

Finding the Fourth Proportional to 722,278,914.33, 1,081,579,157.80 and 475,888,563.44

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Solution

The fourth proportional to 722,278,914.33, 1,081,579,157.80 and 475,888,563.44 is: 712,621,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,278,914.33 : 1,081,579,157.80 = 475,888,563.44 : x
  2. Step 2: Convert to fraction form
    722,278,914.33/1,081,579,157.80 = 475,888,563.44/x
  3. Step 3: Cross multiply
    722,278,914.33x = 1,081,579,157.80 × 475,888,563.44
  4. Step 4: Simplify right side
    722,278,914.33x = 514,711,151,652,411,584
  5. Step 5: Solve for x
    x = 514,711,151,652,411,584/722,278,914.33
  6. Step 6: Final answer
    x = 712,621,040.77

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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.