Home / 15,071,843,157.96-20,798,763,410.76-8,297,594,107.80

Finding the Fourth Proportional to 15,071,843,157.96, 20,798,763,410.76 and 8,297,594,107.80

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Solution

The fourth proportional to 15,071,843,157.96, 20,798,763,410.76 and 8,297,594,107.80 is: 11,450,470,583.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,071,843,157.96 : 20,798,763,410.76 = 8,297,594,107.80 : x
  2. Step 2: Convert to fraction form
    15,071,843,157.96/20,798,763,410.76 = 8,297,594,107.80/x
  3. Step 3: Cross multiply
    15,071,843,157.96x = 20,798,763,410.76 × 8,297,594,107.80
  4. Step 4: Simplify right side
    15,071,843,157.96x = 172,579,696,726,648,389,632
  5. Step 5: Solve for x
    x = 172,579,696,726,648,389,632/15,071,843,157.96
  6. Step 6: Final answer
    x = 11,450,470,583.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.