Finding the Fourth Proportional to 1,135,700,489.80, 1,703,550,734.70 and 727,553,801.80
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Solution
The fourth proportional to 1,135,700,489.80, 1,703,550,734.70 and 727,553,801.80 is: 1,091,330,702.70
Step by Step Solution
- Step 1: Write the proportion equation
1,135,700,489.80 : 1,703,550,734.70 = 727,553,801.80 : x - Step 2: Convert to fraction form
1,135,700,489.80/1,703,550,734.70 = 727,553,801.80/x - Step 3: Cross multiply
1,135,700,489.80x = 1,703,550,734.70 × 727,553,801.80 - Step 4: Simplify right side
1,135,700,489.80x = 1,239,424,813,590,168,064 - Step 5: Solve for x
x = 1,239,424,813,590,168,064/1,135,700,489.80 - Step 6: Final answer
x = 1,091,330,702.70
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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.