Home / 14,081,567,992.40-21,122,351,988.60-11,808,701,123.60

Finding the Fourth Proportional to 14,081,567,992.40, 21,122,351,988.60 and 11,808,701,123.60

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Solution

The fourth proportional to 14,081,567,992.40, 21,122,351,988.60 and 11,808,701,123.60 is: 17,713,051,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081,567,992.40 : 21,122,351,988.60 = 11,808,701,123.60 : x
  2. Step 2: Convert to fraction form
    14,081,567,992.40/21,122,351,988.60 = 11,808,701,123.60/x
  3. Step 3: Cross multiply
    14,081,567,992.40x = 21,122,351,988.60 × 11,808,701,123.60
  4. Step 4: Simplify right side
    14,081,567,992.40x = 249,427,541,660,855,500,800
  5. Step 5: Solve for x
    x = 249,427,541,660,855,500,800/14,081,567,992.40
  6. Step 6: Final answer
    x = 17,713,051,685.40

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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.