Home / 7,220,350,395.69-9,960,416,461.26-4,715,690,220.33

Finding the Fourth Proportional to 7,220,350,395.69, 9,960,416,461.26 and 4,715,690,220.33

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Solution

The fourth proportional to 7,220,350,395.69, 9,960,416,461.26 and 4,715,690,220.33 is: 6,505,257,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,350,395.69 : 9,960,416,461.26 = 4,715,690,220.33 : x
  2. Step 2: Convert to fraction form
    7,220,350,395.69/9,960,416,461.26 = 4,715,690,220.33/x
  3. Step 3: Cross multiply
    7,220,350,395.69x = 9,960,416,461.26 × 4,715,690,220.33
  4. Step 4: Simplify right side
    7,220,350,395.69x = 46,970,238,496,777,732,096
  5. Step 5: Solve for x
    x = 46,970,238,496,777,732,096/7,220,350,395.69
  6. Step 6: Final answer
    x = 6,505,257,490.66

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Half scale
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Double scale
Find fourth proportional to 7,220,350,396.69, 9,960,416,462.64 and 4,715,690,221.33
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.