Home / 1,386,084,522-2,079,107,190.72-336,830,438.28

Finding the Fourth Proportional to 1,386,084,522, 2,079,107,190.72 and 336,830,438.28

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Solution

The fourth proportional to 1,386,084,522, 2,079,107,190.72 and 336,830,438.28 is: 505,240,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,084,522 : 2,079,107,190.72 = 336,830,438.28 : x
  2. Step 2: Convert to fraction form
    1,386,084,522/2,079,107,190.72 = 336,830,438.28/x
  3. Step 3: Cross multiply
    1,386,084,522x = 2,079,107,190.72 × 336,830,438.28
  4. Step 4: Simplify right side
    1,386,084,522x = 700,306,586,281,317,120
  5. Step 5: Solve for x
    x = 700,306,586,281,317,120/1,386,084,522
  6. Step 6: Final answer
    x = 505,240,896.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.