Home / 3,698,825,075.76-5,549,163,498.72-1,078,629,481.20

Finding the Fourth Proportional to 3,698,825,075.76, 5,549,163,498.72 and 1,078,629,481.20

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Solution

The fourth proportional to 3,698,825,075.76, 5,549,163,498.72 and 1,078,629,481.20 is: 1,618,214,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698,825,075.76 : 5,549,163,498.72 = 1,078,629,481.20 : x
  2. Step 2: Convert to fraction form
    3,698,825,075.76/5,549,163,498.72 = 1,078,629,481.20/x
  3. Step 3: Cross multiply
    3,698,825,075.76x = 5,549,163,498.72 × 1,078,629,481.20
  4. Step 4: Simplify right side
    3,698,825,075.76x = 5,985,491,345,718,331,392
  5. Step 5: Solve for x
    x = 5,985,491,345,718,331,392/3,698,825,075.76
  6. Step 6: Final answer
    x = 1,618,214,222.93

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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.