Home / 1,179,075,713.14-1,767,949,923.34-391,707,840.31

Finding the Fourth Proportional to 1,179,075,713.14, 1,767,949,923.34 and 391,707,840.31

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Solution

The fourth proportional to 1,179,075,713.14, 1,767,949,923.34 and 391,707,840.31 is: 587,341,286.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,075,713.14 : 1,767,949,923.34 = 391,707,840.31 : x
  2. Step 2: Convert to fraction form
    1,179,075,713.14/1,767,949,923.34 = 391,707,840.31/x
  3. Step 3: Cross multiply
    1,179,075,713.14x = 1,767,949,923.34 × 391,707,840.31
  4. Step 4: Simplify right side
    1,179,075,713.14x = 692,519,846,252,687,616
  5. Step 5: Solve for x
    x = 692,519,846,252,687,616/1,179,075,713.14
  6. Step 6: Final answer
    x = 587,341,286.52

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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.