Home / 13,979,036,616-19,290,943,183.52-7,635,402,767.36

Finding the Fourth Proportional to 13,979,036,616, 19,290,943,183.52 and 7,635,402,767.36

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Solution

The fourth proportional to 13,979,036,616, 19,290,943,183.52 and 7,635,402,767.36 is: 10,536,786,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979,036,616 : 19,290,943,183.52 = 7,635,402,767.36 : x
  2. Step 2: Convert to fraction form
    13,979,036,616/19,290,943,183.52 = 7,635,402,767.36/x
  3. Step 3: Cross multiply
    13,979,036,616x = 19,290,943,183.52 × 7,635,402,767.36
  4. Step 4: Simplify right side
    13,979,036,616x = 147,294,120,968,433,139,712
  5. Step 5: Solve for x
    x = 147,294,120,968,433,139,712/13,979,036,616
  6. Step 6: Final answer
    x = 10,536,786,261.78

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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.