Home / 942,286,813.72-1,414,075,855.62-328,871,039.32

Finding the Fourth Proportional to 942,286,813.72, 1,414,075,855.62 and 328,871,039.32

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Solution

The fourth proportional to 942,286,813.72, 1,414,075,855.62 and 328,871,039.32 is: 493,531,894.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,286,813.72 : 1,414,075,855.62 = 328,871,039.32 : x
  2. Step 2: Convert to fraction form
    942,286,813.72/1,414,075,855.62 = 328,871,039.32/x
  3. Step 3: Cross multiply
    942,286,813.72x = 1,414,075,855.62 × 328,871,039.32
  4. Step 4: Simplify right side
    942,286,813.72x = 465,048,596,315,067,584
  5. Step 5: Solve for x
    x = 465,048,596,315,067,584/942,286,813.72
  6. Step 6: Final answer
    x = 493,531,894.48

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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.