Home / 2,878,265,322.88-3,972,007,476.48-1,558,165,880.32

Finding the Fourth Proportional to 2,878,265,322.88, 3,972,007,476.48 and 1,558,165,880.32

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Solution

The fourth proportional to 2,878,265,322.88, 3,972,007,476.48 and 1,558,165,880.32 is: 2,150,269,635.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,265,322.88 : 3,972,007,476.48 = 1,558,165,880.32 : x
  2. Step 2: Convert to fraction form
    2,878,265,322.88/3,972,007,476.48 = 1,558,165,880.32/x
  3. Step 3: Cross multiply
    2,878,265,322.88x = 3,972,007,476.48 × 1,558,165,880.32
  4. Step 4: Simplify right side
    2,878,265,322.88x = 6,189,046,526,227,080,192
  5. Step 5: Solve for x
    x = 6,189,046,526,227,080,192/2,878,265,322.88
  6. Step 6: Final answer
    x = 2,150,269,635.34

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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.