Home / 18,994,176,031.20-28,491,264,046.80-16,889,953,106.40

Finding the Fourth Proportional to 18,994,176,031.20, 28,491,264,046.80 and 16,889,953,106.40

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Solution

The fourth proportional to 18,994,176,031.20, 28,491,264,046.80 and 16,889,953,106.40 is: 25,334,929,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,994,176,031.20 : 28,491,264,046.80 = 16,889,953,106.40 : x
  2. Step 2: Convert to fraction form
    18,994,176,031.20/28,491,264,046.80 = 16,889,953,106.40/x
  3. Step 3: Cross multiply
    18,994,176,031.20x = 28,491,264,046.80 × 16,889,953,106.40
  4. Step 4: Simplify right side
    18,994,176,031.20x = 481,216,113,692,512,288,768
  5. Step 5: Solve for x
    x = 481,216,113,692,512,288,768/18,994,176,031.20
  6. Step 6: Final answer
    x = 25,334,929,659.60

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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.