Home / 1,275,945,539-1,913,918,306.34-306,597,155

Finding the Fourth Proportional to 1,275,945,539, 1,913,918,306.34 and 306,597,155

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Solution

The fourth proportional to 1,275,945,539, 1,913,918,306.34 and 306,597,155 is: 459,895,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,945,539 : 1,913,918,306.34 = 306,597,155 : x
  2. Step 2: Convert to fraction form
    1,275,945,539/1,913,918,306.34 = 306,597,155/x
  3. Step 3: Cross multiply
    1,275,945,539x = 1,913,918,306.34 × 306,597,155
  4. Step 4: Simplify right side
    1,275,945,539x = 586,801,907,626,262,400
  5. Step 5: Solve for x
    x = 586,801,907,626,262,400/1,275,945,539
  6. Step 6: Final answer
    x = 459,895,731.98

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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.