Home / 18,934,845,870.33-26,130,392,999.91-10,362,017,396.57

Finding the Fourth Proportional to 18,934,845,870.33, 26,130,392,999.91 and 10,362,017,396.57

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Solution

The fourth proportional to 18,934,845,870.33, 26,130,392,999.91 and 10,362,017,396.57 is: 14,299,751,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934,845,870.33 : 26,130,392,999.91 = 10,362,017,396.57 : x
  2. Step 2: Convert to fraction form
    18,934,845,870.33/26,130,392,999.91 = 10,362,017,396.57/x
  3. Step 3: Cross multiply
    18,934,845,870.33x = 26,130,392,999.91 × 10,362,017,396.57
  4. Step 4: Simplify right side
    18,934,845,870.33x = 270,763,586,844,147,744,768
  5. Step 5: Solve for x
    x = 270,763,586,844,147,744,768/18,934,845,870.33
  6. Step 6: Final answer
    x = 14,299,751,299.71

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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.