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Finding the Fourth Proportional to 313,558,753.65, 470,307,738.61 and 95,211,015.05

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Solution

The fourth proportional to 313,558,753.65, 470,307,738.61 and 95,211,015.05 is: 142,807,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,558,753.65 : 470,307,738.61 = 95,211,015.05 : x
  2. Step 2: Convert to fraction form
    313,558,753.65/470,307,738.61 = 95,211,015.05/x
  3. Step 3: Cross multiply
    313,558,753.65x = 470,307,738.61 × 95,211,015.05
  4. Step 4: Simplify right side
    313,558,753.65x = 44,778,477,180,222,952
  5. Step 5: Solve for x
    x = 44,778,477,180,222,952/313,558,753.65
  6. Step 6: Final answer
    x = 142,807,294.20

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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.