Home / 1,277,050,286,240.80-1,915,580,399,141.60-308,957,173,510.57

Finding the Fourth Proportional to 1,277,050,286,240.80, 1,915,580,399,141.60 and 308,957,173,510.57

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Solution

The fourth proportional to 1,277,050,286,240.80, 1,915,580,399,141.60 and 308,957,173,510.57 is: 463,436,962,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,050,286,240.80 : 1,915,580,399,141.60 = 308,957,173,510.57 : x
  2. Step 2: Convert to fraction form
    1,277,050,286,240.80/1,915,580,399,141.60 = 308,957,173,510.57/x
  3. Step 3: Cross multiply
    1,277,050,286,240.80x = 1,915,580,399,141.60 × 308,957,173,510.57
  4. Step 4: Simplify right side
    1,277,050,286,240.80x = 591,832,305,751,038,300,782,592
  5. Step 5: Solve for x
    x = 591,832,305,751,038,300,782,592/1,277,050,286,240.80
  6. Step 6: Final answer
    x = 463,436,962,606.38

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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.