Home / 1,087,313,768.88-1,630,303,172.40-422,551,599.54

Finding the Fourth Proportional to 1,087,313,768.88, 1,630,303,172.40 and 422,551,599.54

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Solution

The fourth proportional to 1,087,313,768.88, 1,630,303,172.40 and 422,551,599.54 is: 633,568,003.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,313,768.88 : 1,630,303,172.40 = 422,551,599.54 : x
  2. Step 2: Convert to fraction form
    1,087,313,768.88/1,630,303,172.40 = 422,551,599.54/x
  3. Step 3: Cross multiply
    1,087,313,768.88x = 1,630,303,172.40 × 422,551,599.54
  4. Step 4: Simplify right side
    1,087,313,768.88x = 688,887,213,232,756,480
  5. Step 5: Solve for x
    x = 688,887,213,232,756,480/1,087,313,768.88
  6. Step 6: Final answer
    x = 633,568,003.05

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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.