Home / 14,370,048,412.80-21,555,072,619.20-8,178,311,990.40

Finding the Fourth Proportional to 14,370,048,412.80, 21,555,072,619.20 and 8,178,311,990.40

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Solution

The fourth proportional to 14,370,048,412.80, 21,555,072,619.20 and 8,178,311,990.40 is: 12,267,467,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370,048,412.80 : 21,555,072,619.20 = 8,178,311,990.40 : x
  2. Step 2: Convert to fraction form
    14,370,048,412.80/21,555,072,619.20 = 8,178,311,990.40/x
  3. Step 3: Cross multiply
    14,370,048,412.80x = 21,555,072,619.20 × 8,178,311,990.40
  4. Step 4: Simplify right side
    14,370,048,412.80x = 176,284,108,855,546,085,376
  5. Step 5: Solve for x
    x = 176,284,108,855,546,085,376/14,370,048,412.80
  6. Step 6: Final answer
    x = 12,267,467,985.60

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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.