Home / 1,621,282,198.71-2,431,049,176.02-874,698,135.51

Finding the Fourth Proportional to 1,621,282,198.71, 2,431,049,176.02 and 874,698,135.51

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Solution

The fourth proportional to 1,621,282,198.71, 2,431,049,176.02 and 874,698,135.51 is: 1,311,575,605.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,282,198.71 : 2,431,049,176.02 = 874,698,135.51 : x
  2. Step 2: Convert to fraction form
    1,621,282,198.71/2,431,049,176.02 = 874,698,135.51/x
  3. Step 3: Cross multiply
    1,621,282,198.71x = 2,431,049,176.02 × 874,698,135.51
  4. Step 4: Simplify right side
    1,621,282,198.71x = 2,126,434,181,597,815,808
  5. Step 5: Solve for x
    x = 2,126,434,181,597,815,808/1,621,282,198.71
  6. Step 6: Final answer
    x = 1,311,575,605.59

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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.