Home / 1,997,678,346.78-2,756,775,813.75-1,105,606,808.22

Finding the Fourth Proportional to 1,997,678,346.78, 2,756,775,813.75 and 1,105,606,808.22

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Solution

The fourth proportional to 1,997,678,346.78, 2,756,775,813.75 and 1,105,606,808.22 is: 1,525,726,157.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,678,346.78 : 2,756,775,813.75 = 1,105,606,808.22 : x
  2. Step 2: Convert to fraction form
    1,997,678,346.78/2,756,775,813.75 = 1,105,606,808.22/x
  3. Step 3: Cross multiply
    1,997,678,346.78x = 2,756,775,813.75 × 1,105,606,808.22
  4. Step 4: Simplify right side
    1,997,678,346.78x = 3,047,910,108,418,230,784
  5. Step 5: Solve for x
    x = 3,047,910,108,418,230,784/1,997,678,346.78
  6. Step 6: Final answer
    x = 1,525,726,157.73

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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.