Home / 303,301,112,345.40-418,353,998,360.42-195,051,069,159.96

Finding the Fourth Proportional to 303,301,112,345.40, 418,353,998,360.42 and 195,051,069,159.96

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Solution

The fourth proportional to 303,301,112,345.40, 418,353,998,360.42 and 195,051,069,159.96 is: 269,040,868,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,301,112,345.40 : 418,353,998,360.42 = 195,051,069,159.96 : x
  2. Step 2: Convert to fraction form
    303,301,112,345.40/418,353,998,360.42 = 195,051,069,159.96/x
  3. Step 3: Cross multiply
    303,301,112,345.40x = 418,353,998,360.42 × 195,051,069,159.96
  4. Step 4: Simplify right side
    303,301,112,345.40x = 81,600,394,667,544,058,789,888
  5. Step 5: Solve for x
    x = 81,600,394,667,544,058,789,888/303,301,112,345.40
  6. Step 6: Final answer
    x = 269,040,868,450.95

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1.5x scale

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.