Home / 1,277,136,065.80-1,915,704,098.70-1,265,042,830.60

Finding the Fourth Proportional to 1,277,136,065.80, 1,915,704,098.70 and 1,265,042,830.60

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Solution

The fourth proportional to 1,277,136,065.80, 1,915,704,098.70 and 1,265,042,830.60 is: 1,897,564,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,136,065.80 : 1,915,704,098.70 = 1,265,042,830.60 : x
  2. Step 2: Convert to fraction form
    1,277,136,065.80/1,915,704,098.70 = 1,265,042,830.60/x
  3. Step 3: Cross multiply
    1,277,136,065.80x = 1,915,704,098.70 × 1,265,042,830.60
  4. Step 4: Simplify right side
    1,277,136,065.80x = 2,423,447,735,611,469,824
  5. Step 5: Solve for x
    x = 2,423,447,735,611,469,824/1,277,136,065.80
  6. Step 6: Final answer
    x = 1,897,564,245.90

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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.