Home / 6,786,215,578.20-10,179,323,367.30-1,878,889,384.20

Finding the Fourth Proportional to 6,786,215,578.20, 10,179,323,367.30 and 1,878,889,384.20

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Solution

The fourth proportional to 6,786,215,578.20, 10,179,323,367.30 and 1,878,889,384.20 is: 2,818,334,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786,215,578.20 : 10,179,323,367.30 = 1,878,889,384.20 : x
  2. Step 2: Convert to fraction form
    6,786,215,578.20/10,179,323,367.30 = 1,878,889,384.20/x
  3. Step 3: Cross multiply
    6,786,215,578.20x = 10,179,323,367.30 × 1,878,889,384.20
  4. Step 4: Simplify right side
    6,786,215,578.20x = 19,125,822,613,158,965,248
  5. Step 5: Solve for x
    x = 19,125,822,613,158,965,248/6,786,215,578.20
  6. Step 6: Final answer
    x = 2,818,334,076.30

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1.5x scale

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.