Finding the Fourth Proportional to 9,751,117,868.80, 14,626,676,803.20 and 6,812,461,715.20
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Solution
The fourth proportional to 9,751,117,868.80, 14,626,676,803.20 and 6,812,461,715.20 is: 10,218,692,572.80
Step by Step Solution
- Step 1: Write the proportion equation
9,751,117,868.80 : 14,626,676,803.20 = 6,812,461,715.20 : x - Step 2: Convert to fraction form
9,751,117,868.80/14,626,676,803.20 = 6,812,461,715.20/x - Step 3: Cross multiply
9,751,117,868.80x = 14,626,676,803.20 × 6,812,461,715.20 - Step 4: Simplify right side
9,751,117,868.80x = 99,643,675,742,403,919,872 - Step 5: Solve for x
x = 99,643,675,742,403,919,872/9,751,117,868.80 - Step 6: Final answer
x = 10,218,692,572.80
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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.