Finding the Fourth Proportional to 853,204,211.20, 1,277,893,129.20 and 700,149,203.20
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Solution
The fourth proportional to 853,204,211.20, 1,277,893,129.20 and 700,149,203.20 is: 1,048,653,821.02
Step by Step Solution
- Step 1: Write the proportion equation
853,204,211.20 : 1,277,893,129.20 = 700,149,203.20 : x - Step 2: Convert to fraction form
853,204,211.20/1,277,893,129.20 = 700,149,203.20/x - Step 3: Cross multiply
853,204,211.20x = 1,277,893,129.20 × 700,149,203.20 - Step 4: Simplify right side
853,204,211.20x = 894,715,856,184,134,784 - Step 5: Solve for x
x = 894,715,856,184,134,784/853,204,211.20 - Step 6: Final answer
x = 1,048,653,821.02
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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.