Home / 879,370,242.20-1,319,097,783.24-289,147,414.32

Finding the Fourth Proportional to 879,370,242.20, 1,319,097,783.24 and 289,147,414.32

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Solution

The fourth proportional to 879,370,242.20, 1,319,097,783.24 and 289,147,414.32 is: 433,735,069.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,370,242.20 : 1,319,097,783.24 = 289,147,414.32 : x
  2. Step 2: Convert to fraction form
    879,370,242.20/1,319,097,783.24 = 289,147,414.32/x
  3. Step 3: Cross multiply
    879,370,242.20x = 1,319,097,783.24 × 289,147,414.32
  4. Step 4: Simplify right side
    879,370,242.20x = 381,413,713,259,089,856
  5. Step 5: Solve for x
    x = 381,413,713,259,089,856/879,370,242.20
  6. Step 6: Final answer
    x = 433,735,069.66

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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.