Home / 1,085,500,047,748.80-1,627,869,521,777.60-320,384,050,434.66

Finding the Fourth Proportional to 1,085,500,047,748.80, 1,627,869,521,777.60 and 320,384,050,434.66

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Solution

The fourth proportional to 1,085,500,047,748.80, 1,627,869,521,777.60 and 320,384,050,434.66 is: 480,463,756,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,500,047,748.80 : 1,627,869,521,777.60 = 320,384,050,434.66 : x
  2. Step 2: Convert to fraction form
    1,085,500,047,748.80/1,627,869,521,777.60 = 320,384,050,434.66/x
  3. Step 3: Cross multiply
    1,085,500,047,748.80x = 1,627,869,521,777.60 × 320,384,050,434.66
  4. Step 4: Simplify right side
    1,085,500,047,748.80x = 521,543,430,966,240,434,192,384
  5. Step 5: Solve for x
    x = 521,543,430,966,240,434,192,384/1,085,500,047,748.80
  6. Step 6: Final answer
    x = 480,463,756,816.83

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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.