Home / 879,370,017.58-1,319,097,449.51-289,147,190.08

Finding the Fourth Proportional to 879,370,017.58, 1,319,097,449.51 and 289,147,190.08

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Solution

The fourth proportional to 879,370,017.58, 1,319,097,449.51 and 289,147,190.08 is: 433,734,734.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,370,017.58 : 1,319,097,449.51 = 289,147,190.08 : x
  2. Step 2: Convert to fraction form
    879,370,017.58/1,319,097,449.51 = 289,147,190.08/x
  3. Step 3: Cross multiply
    879,370,017.58x = 1,319,097,449.51 × 289,147,190.08
  4. Step 4: Simplify right side
    879,370,017.58x = 381,413,320,967,511,168
  5. Step 5: Solve for x
    x = 381,413,320,967,511,168/879,370,017.58
  6. Step 6: Final answer
    x = 433,734,734.35

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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.