Finding the Fourth Proportional to 9,035,552,886.05, 12,455,921,355.99 and 6,314,372,178.87
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Solution
The fourth proportional to 9,035,552,886.05, 12,455,921,355.99 and 6,314,372,178.87 is: 8,704,649,761.26
Step by Step Solution
- Step 1: Write the proportion equation
9,035,552,886.05 : 12,455,921,355.99 = 6,314,372,178.87 : x - Step 2: Convert to fraction form
9,035,552,886.05/12,455,921,355.99 = 6,314,372,178.87/x - Step 3: Cross multiply
9,035,552,886.05x = 12,455,921,355.99 × 6,314,372,178.87 - Step 4: Simplify right side
9,035,552,886.05x = 78,651,323,272,425,062,400 - Step 5: Solve for x
x = 78,651,323,272,425,062,400/9,035,552,886.05 - Step 6: Final answer
x = 8,704,649,761.26
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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.