Home / 3,987,967,283.68-5,503,411,698.08-2,179,516,075.96

Finding the Fourth Proportional to 3,987,967,283.68, 5,503,411,698.08 and 2,179,516,075.96

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Solution

The fourth proportional to 3,987,967,283.68, 5,503,411,698.08 and 2,179,516,075.96 is: 3,007,741,391.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,967,283.68 : 5,503,411,698.08 = 2,179,516,075.96 : x
  2. Step 2: Convert to fraction form
    3,987,967,283.68/5,503,411,698.08 = 2,179,516,075.96/x
  3. Step 3: Cross multiply
    3,987,967,283.68x = 5,503,411,698.08 × 2,179,516,075.96
  4. Step 4: Simplify right side
    3,987,967,283.68x = 11,994,774,268,591,681,536
  5. Step 5: Solve for x
    x = 11,994,774,268,591,681,536/3,987,967,283.68
  6. Step 6: Final answer
    x = 3,007,741,391.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.