Home / 12,877,056,191.20-19,315,584,286.80-9,366,994,674.40

Finding the Fourth Proportional to 12,877,056,191.20, 19,315,584,286.80 and 9,366,994,674.40

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Solution

The fourth proportional to 12,877,056,191.20, 19,315,584,286.80 and 9,366,994,674.40 is: 14,050,492,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877,056,191.20 : 19,315,584,286.80 = 9,366,994,674.40 : x
  2. Step 2: Convert to fraction form
    12,877,056,191.20/19,315,584,286.80 = 9,366,994,674.40/x
  3. Step 3: Cross multiply
    12,877,056,191.20x = 19,315,584,286.80 × 9,366,994,674.40
  4. Step 4: Simplify right side
    12,877,056,191.20x = 180,928,975,147,379,916,800
  5. Step 5: Solve for x
    x = 180,928,975,147,379,916,800/12,877,056,191.20
  6. Step 6: Final answer
    x = 14,050,492,011.60

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Double scale
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Similar ratio
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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.