Home / 18,911,366,804.20-28,367,050,206.30-11,074,950,394.60

Finding the Fourth Proportional to 18,911,366,804.20, 28,367,050,206.30 and 11,074,950,394.60

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Solution

The fourth proportional to 18,911,366,804.20, 28,367,050,206.30 and 11,074,950,394.60 is: 16,612,425,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911,366,804.20 : 28,367,050,206.30 = 11,074,950,394.60 : x
  2. Step 2: Convert to fraction form
    18,911,366,804.20/28,367,050,206.30 = 11,074,950,394.60/x
  3. Step 3: Cross multiply
    18,911,366,804.20x = 28,367,050,206.30 × 11,074,950,394.60
  4. Step 4: Simplify right side
    18,911,366,804.20x = 314,163,673,875,900,203,008
  5. Step 5: Solve for x
    x = 314,163,673,875,900,203,008/18,911,366,804.20
  6. Step 6: Final answer
    x = 16,612,425,591.90

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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.