Home / 1,070,469,021.57-1,477,766,290.77-717,916,048.53

Finding the Fourth Proportional to 1,070,469,021.57, 1,477,766,290.77 and 717,916,048.53

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Solution

The fourth proportional to 1,070,469,021.57, 1,477,766,290.77 and 717,916,048.53 is: 991,072,244.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,469,021.57 : 1,477,766,290.77 = 717,916,048.53 : x
  2. Step 2: Convert to fraction form
    1,070,469,021.57/1,477,766,290.77 = 717,916,048.53/x
  3. Step 3: Cross multiply
    1,070,469,021.57x = 1,477,766,290.77 × 717,916,048.53
  4. Step 4: Simplify right side
    1,070,469,021.57x = 1,060,912,136,120,433,408
  5. Step 5: Solve for x
    x = 1,060,912,136,120,433,408/1,070,469,021.57
  6. Step 6: Final answer
    x = 991,072,244.73

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Half scale
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Double scale
Find fourth proportional to 1,070,469,022.57, 1,477,766,292.15 and 717,916,049.53
Similar ratio
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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.