Finding the Fourth Proportional to 2,125,768,808.40, 3,188,653,212.60 and 1,037,377,640.40
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Solution
The fourth proportional to 2,125,768,808.40, 3,188,653,212.60 and 1,037,377,640.40 is: 1,556,066,460.60
Step by Step Solution
- Step 1: Write the proportion equation
2,125,768,808.40 : 3,188,653,212.60 = 1,037,377,640.40 : x - Step 2: Convert to fraction form
2,125,768,808.40/3,188,653,212.60 = 1,037,377,640.40/x - Step 3: Cross multiply
2,125,768,808.40x = 3,188,653,212.60 × 1,037,377,640.40 - Step 4: Simplify right side
2,125,768,808.40x = 3,307,837,545,740,867,584 - Step 5: Solve for x
x = 3,307,837,545,740,867,584/2,125,768,808.40 - Step 6: Final answer
x = 1,556,066,460.60
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1.5x scale
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.