Home / 576,173,967-864,263,166.72-139,473,936.60

Finding the Fourth Proportional to 576,173,967, 864,263,166.72 and 139,473,936.60

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Solution

The fourth proportional to 576,173,967, 864,263,166.72 and 139,473,936.60 is: 209,211,441.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,173,967 : 864,263,166.72 = 139,473,936.60 : x
  2. Step 2: Convert to fraction form
    576,173,967/864,263,166.72 = 139,473,936.60/x
  3. Step 3: Cross multiply
    576,173,967x = 864,263,166.72 × 139,473,936.60
  4. Step 4: Simplify right side
    576,173,967x = 120,542,186,120,820,512
  5. Step 5: Solve for x
    x = 120,542,186,120,820,512/576,173,967
  6. Step 6: Final answer
    x = 209,211,441.38

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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.