Finding the Fourth Proportional to 736,128,200.90, 1,104,192,301.35 and 218,638,511.30
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Solution
The fourth proportional to 736,128,200.90, 1,104,192,301.35 and 218,638,511.30 is: 327,957,766.95
Step by Step Solution
- Step 1: Write the proportion equation
736,128,200.90 : 1,104,192,301.35 = 218,638,511.30 : x - Step 2: Convert to fraction form
736,128,200.90/1,104,192,301.35 = 218,638,511.30/x - Step 3: Cross multiply
736,128,200.90x = 1,104,192,301.35 × 218,638,511.30 - Step 4: Simplify right side
736,128,200.90x = 241,418,960,956,084,960 - Step 5: Solve for x
x = 241,418,960,956,084,960/736,128,200.90 - Step 6: Final answer
x = 327,957,766.95
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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.