Finding the Fourth Proportional to 853,204,202.70, 1,277,893,116.45 and 700,149,194.70
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Solution
The fourth proportional to 853,204,202.70, 1,277,893,116.45 and 700,149,194.70 is: 1,048,653,808.27
Step by Step Solution
- Step 1: Write the proportion equation
853,204,202.70 : 1,277,893,116.45 = 700,149,194.70 : x - Step 2: Convert to fraction form
853,204,202.70/1,277,893,116.45 = 700,149,194.70/x - Step 3: Cross multiply
853,204,202.70x = 1,277,893,116.45 × 700,149,194.70 - Step 4: Simplify right side
853,204,202.70x = 894,715,836,395,140,864 - Step 5: Solve for x
x = 894,715,836,395,140,864/853,204,202.70 - Step 6: Final answer
x = 1,048,653,808.27
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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.