Finding the Fourth Proportional to 896,090,701.70, 1,344,136,052.55 and 714,692,173.70
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Solution
The fourth proportional to 896,090,701.70, 1,344,136,052.55 and 714,692,173.70 is: 1,072,038,260.55
Step by Step Solution
- Step 1: Write the proportion equation
896,090,701.70 : 1,344,136,052.55 = 714,692,173.70 : x - Step 2: Convert to fraction form
896,090,701.70/1,344,136,052.55 = 714,692,173.70/x - Step 3: Cross multiply
896,090,701.70x = 1,344,136,052.55 × 714,692,173.70 - Step 4: Simplify right side
896,090,701.70x = 960,643,517,145,496,960 - Step 5: Solve for x
x = 960,643,517,145,496,960/896,090,701.70 - Step 6: Final answer
x = 1,072,038,260.55
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Double scale
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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.