Home / 1,085,500,047,747.80-1,627,869,521,776.10-320,384,050,433.66

Finding the Fourth Proportional to 1,085,500,047,747.80, 1,627,869,521,776.10 and 320,384,050,433.66

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Solution

The fourth proportional to 1,085,500,047,747.80, 1,627,869,521,776.10 and 320,384,050,433.66 is: 480,463,756,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,500,047,747.80 : 1,627,869,521,776.10 = 320,384,050,433.66 : x
  2. Step 2: Convert to fraction form
    1,085,500,047,747.80/1,627,869,521,776.10 = 320,384,050,433.66/x
  3. Step 3: Cross multiply
    1,085,500,047,747.80x = 1,627,869,521,776.10 × 320,384,050,433.66
  4. Step 4: Simplify right side
    1,085,500,047,747.80x = 521,543,430,964,132,007,903,232
  5. Step 5: Solve for x
    x = 521,543,430,964,132,007,903,232/1,085,500,047,747.80
  6. Step 6: Final answer
    x = 480,463,756,815.33

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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.