Home / 789,928,820.32-1,090,088,412.46-437,497,244.22

Finding the Fourth Proportional to 789,928,820.32, 1,090,088,412.46 and 437,497,244.22

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Solution

The fourth proportional to 789,928,820.32, 1,090,088,412.46 and 437,497,244.22 is: 603,738,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,928,820.32 : 1,090,088,412.46 = 437,497,244.22 : x
  2. Step 2: Convert to fraction form
    789,928,820.32/1,090,088,412.46 = 437,497,244.22/x
  3. Step 3: Cross multiply
    789,928,820.32x = 1,090,088,412.46 × 437,497,244.22
  4. Step 4: Simplify right side
    789,928,820.32x = 476,910,676,407,404,736
  5. Step 5: Solve for x
    x = 476,910,676,407,404,736/789,928,820.32
  6. Step 6: Final answer
    x = 603,738,797.90

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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.