Home / 3,878,575,274.32-5,352,450,224.80-2,185,050,239.44

Finding the Fourth Proportional to 3,878,575,274.32, 5,352,450,224.80 and 2,185,050,239.44

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Solution

The fourth proportional to 3,878,575,274.32, 5,352,450,224.80 and 2,185,050,239.44 is: 3,015,378,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,575,274.32 : 5,352,450,224.80 = 2,185,050,239.44 : x
  2. Step 2: Convert to fraction form
    3,878,575,274.32/5,352,450,224.80 = 2,185,050,239.44/x
  3. Step 3: Cross multiply
    3,878,575,274.32x = 5,352,450,224.80 × 2,185,050,239.44
  4. Step 4: Simplify right side
    3,878,575,274.32x = 11,695,372,645,289,922,560
  5. Step 5: Solve for x
    x = 11,695,372,645,289,922,560/3,878,575,274.32
  6. Step 6: Final answer
    x = 3,015,378,539.31

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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.