Home / 1,078,890,313,040.30-1,618,434,949,362.80-352,825,409,712.66

Finding the Fourth Proportional to 1,078,890,313,040.30, 1,618,434,949,362.80 and 352,825,409,712.66

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Solution

The fourth proportional to 1,078,890,313,040.30, 1,618,434,949,362.80 and 352,825,409,712.66 is: 529,270,647,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,890,313,040.30 : 1,618,434,949,362.80 = 352,825,409,712.66 : x
  2. Step 2: Convert to fraction form
    1,078,890,313,040.30/1,618,434,949,362.80 = 352,825,409,712.66/x
  3. Step 3: Cross multiply
    1,078,890,313,040.30x = 1,618,434,949,362.80 × 352,825,409,712.66
  4. Step 4: Simplify right side
    1,078,890,313,040.30x = 571,024,974,102,218,015,768,576
  5. Step 5: Solve for x
    x = 571,024,974,102,218,015,768,576/1,078,890,313,040.30
  6. Step 6: Final answer
    x = 529,270,647,071.69

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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.