Home / 2,698,758,121.80-4,048,137,182.70-858,696,803.40

Finding the Fourth Proportional to 2,698,758,121.80, 4,048,137,182.70 and 858,696,803.40

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Solution

The fourth proportional to 2,698,758,121.80, 4,048,137,182.70 and 858,696,803.40 is: 1,288,045,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,758,121.80 : 4,048,137,182.70 = 858,696,803.40 : x
  2. Step 2: Convert to fraction form
    2,698,758,121.80/4,048,137,182.70 = 858,696,803.40/x
  3. Step 3: Cross multiply
    2,698,758,121.80x = 4,048,137,182.70 × 858,696,803.40
  4. Step 4: Simplify right side
    2,698,758,121.80x = 3,476,122,458,509,171,712
  5. Step 5: Solve for x
    x = 3,476,122,458,509,171,712/2,698,758,121.80
  6. Step 6: Final answer
    x = 1,288,045,205.10

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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.