Home / 1,211,151,213.83-1,816,726,823.19-291,027,553.67

Finding the Fourth Proportional to 1,211,151,213.83, 1,816,726,823.19 and 291,027,553.67

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Solution

The fourth proportional to 1,211,151,213.83, 1,816,726,823.19 and 291,027,553.67 is: 436,541,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,151,213.83 : 1,816,726,823.19 = 291,027,553.67 : x
  2. Step 2: Convert to fraction form
    1,211,151,213.83/1,816,726,823.19 = 291,027,553.67/x
  3. Step 3: Cross multiply
    1,211,151,213.83x = 1,816,726,823.19 × 291,027,553.67
  4. Step 4: Simplify right side
    1,211,151,213.83x = 528,717,563,044,198,208
  5. Step 5: Solve for x
    x = 528,717,563,044,198,208/1,211,151,213.83
  6. Step 6: Final answer
    x = 436,541,331.10

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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.