Finding the Fourth Proportional to 7,768,249,540.05, 11,652,374,310.08 and 4,448,656,477.65
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Solution
The fourth proportional to 7,768,249,540.05, 11,652,374,310.08 and 4,448,656,477.65 is: 6,672,984,716.48
Step by Step Solution
- Step 1: Write the proportion equation
7,768,249,540.05 : 11,652,374,310.08 = 4,448,656,477.65 : x - Step 2: Convert to fraction form
7,768,249,540.05/11,652,374,310.08 = 4,448,656,477.65/x - Step 3: Cross multiply
7,768,249,540.05x = 11,652,374,310.08 × 4,448,656,477.65 - Step 4: Simplify right side
7,768,249,540.05x = 51,837,410,454,517,596,160 - Step 5: Solve for x
x = 51,837,410,454,517,596,160/7,768,249,540.05 - Step 6: Final answer
x = 6,672,984,716.48
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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.