Finding the Fourth Proportional to 7,243,344,136.90, 10,865,016,205.35 and 2,073,486,088.90
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Solution
The fourth proportional to 7,243,344,136.90, 10,865,016,205.35 and 2,073,486,088.90 is: 3,110,229,133.35
Step by Step Solution
- Step 1: Write the proportion equation
7,243,344,136.90 : 10,865,016,205.35 = 2,073,486,088.90 : x - Step 2: Convert to fraction form
7,243,344,136.90/10,865,016,205.35 = 2,073,486,088.90/x - Step 3: Cross multiply
7,243,344,136.90x = 10,865,016,205.35 × 2,073,486,088.90 - Step 4: Simplify right side
7,243,344,136.90x = 22,528,459,957,466,292,224 - Step 5: Solve for x
x = 22,528,459,957,466,292,224/7,243,344,136.90 - Step 6: Final answer
x = 3,110,229,133.35
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Double scale
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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.