Home / 644,590,077.80-889,506,491.94-366,130,734.44

Finding the Fourth Proportional to 644,590,077.80, 889,506,491.94 and 366,130,734.44

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Solution

The fourth proportional to 644,590,077.80, 889,506,491.94 and 366,130,734.44 is: 505,244,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,590,077.80 : 889,506,491.94 = 366,130,734.44 : x
  2. Step 2: Convert to fraction form
    644,590,077.80/889,506,491.94 = 366,130,734.44/x
  3. Step 3: Cross multiply
    644,590,077.80x = 889,506,491.94 × 366,130,734.44
  4. Step 4: Simplify right side
    644,590,077.80x = 325,675,665,183,140,160
  5. Step 5: Solve for x
    x = 325,675,665,183,140,160/644,590,077.80
  6. Step 6: Final answer
    x = 505,244,614.21

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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.