Finding the Fourth Proportional to 890,352,037.80, 1,335,528,056.70 and 795,117,810.60
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Solution
The fourth proportional to 890,352,037.80, 1,335,528,056.70 and 795,117,810.60 is: 1,192,676,715.90
Step by Step Solution
- Step 1: Write the proportion equation
890,352,037.80 : 1,335,528,056.70 = 795,117,810.60 : x - Step 2: Convert to fraction form
890,352,037.80/1,335,528,056.70 = 795,117,810.60/x - Step 3: Cross multiply
890,352,037.80x = 1,335,528,056.70 × 795,117,810.60 - Step 4: Simplify right side
890,352,037.80x = 1,061,902,144,438,176,768 - Step 5: Solve for x
x = 1,061,902,144,438,176,768/890,352,037.80 - Step 6: Final answer
x = 1,192,676,715.90
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Similar ratio
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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.