Finding the Fourth Proportional to 7,779,994,411.62, 10,736,395,754.33 and 4,211,701,202.24
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Solution
The fourth proportional to 7,779,994,411.62, 10,736,395,754.33 and 4,211,701,202.24 is: 5,812,149,535.57
Step by Step Solution
- Step 1: Write the proportion equation
7,779,994,411.62 : 10,736,395,754.33 = 4,211,701,202.24 : x - Step 2: Convert to fraction form
7,779,994,411.62/10,736,395,754.33 = 4,211,701,202.24/x - Step 3: Cross multiply
7,779,994,411.62x = 10,736,395,754.33 × 4,211,701,202.24 - Step 4: Simplify right side
7,779,994,411.62x = 45,218,490,906,233,692,160 - Step 5: Solve for x
x = 45,218,490,906,233,692,160/7,779,994,411.62 - Step 6: Final answer
x = 5,812,149,535.57
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.