Finding the Fourth Proportional to 7,838,248,808.96, 11,759,075,719.12 and 2,863,962,672.80
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Solution
The fourth proportional to 7,838,248,808.96, 11,759,075,719.12 and 2,863,962,672.80 is: 4,296,566,075.79
Step by Step Solution
- Step 1: Write the proportion equation
7,838,248,808.96 : 11,759,075,719.12 = 2,863,962,672.80 : x - Step 2: Convert to fraction form
7,838,248,808.96/11,759,075,719.12 = 2,863,962,672.80/x - Step 3: Cross multiply
7,838,248,808.96x = 11,759,075,719.12 × 2,863,962,672.80 - Step 4: Simplify right side
7,838,248,808.96x = 33,677,553,926,188,503,040 - Step 5: Solve for x
x = 33,677,553,926,188,503,040/7,838,248,808.96 - Step 6: Final answer
x = 4,296,566,075.79
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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.