Home / 14,245,632,021.90-21,368,448,032.85-12,667,464,828.30

Finding the Fourth Proportional to 14,245,632,021.90, 21,368,448,032.85 and 12,667,464,828.30

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Solution

The fourth proportional to 14,245,632,021.90, 21,368,448,032.85 and 12,667,464,828.30 is: 19,001,197,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245,632,021.90 : 21,368,448,032.85 = 12,667,464,828.30 : x
  2. Step 2: Convert to fraction form
    14,245,632,021.90/21,368,448,032.85 = 12,667,464,828.30/x
  3. Step 3: Cross multiply
    14,245,632,021.90x = 21,368,448,032.85 × 12,667,464,828.30
  4. Step 4: Simplify right side
    14,245,632,021.90x = 270,684,063,891,483,656,192
  5. Step 5: Solve for x
    x = 270,684,063,891,483,656,192/14,245,632,021.90
  6. Step 6: Final answer
    x = 19,001,197,242.45

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Double scale
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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.