Home / 1,579,218,389.82-2,179,389,494.07-874,370,386.62

Finding the Fourth Proportional to 1,579,218,389.82, 2,179,389,494.07 and 874,370,386.62

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Solution

The fourth proportional to 1,579,218,389.82, 2,179,389,494.07 and 874,370,386.62 is: 1,206,668,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,218,389.82 : 2,179,389,494.07 = 874,370,386.62 : x
  2. Step 2: Convert to fraction form
    1,579,218,389.82/2,179,389,494.07 = 874,370,386.62/x
  3. Step 3: Cross multiply
    1,579,218,389.82x = 2,179,389,494.07 × 874,370,386.62
  4. Step 4: Simplify right side
    1,579,218,389.82x = 1,905,593,634,525,552,384
  5. Step 5: Solve for x
    x = 1,905,593,634,525,552,384/1,579,218,389.82
  6. Step 6: Final answer
    x = 1,206,668,847.58

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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.