Home / 1,692,386,815.20-2,538,580,222.80-965,449,010.40

Finding the Fourth Proportional to 1,692,386,815.20, 2,538,580,222.80 and 965,449,010.40

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Solution

The fourth proportional to 1,692,386,815.20, 2,538,580,222.80 and 965,449,010.40 is: 1,448,173,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,386,815.20 : 2,538,580,222.80 = 965,449,010.40 : x
  2. Step 2: Convert to fraction form
    1,692,386,815.20/2,538,580,222.80 = 965,449,010.40/x
  3. Step 3: Cross multiply
    1,692,386,815.20x = 2,538,580,222.80 × 965,449,010.40
  4. Step 4: Simplify right side
    1,692,386,815.20x = 2,450,869,763,923,271,680
  5. Step 5: Solve for x
    x = 2,450,869,763,923,271,680/1,692,386,815.20
  6. Step 6: Final answer
    x = 1,448,173,515.60

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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.