Finding the Fourth Proportional to 8,436,571,435.68, 12,645,998,614.64 and 2,838,565,180
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Solution
The fourth proportional to 8,436,571,435.68, 12,645,998,614.64 and 2,838,565,180 is: 4,254,867,229.84
Step by Step Solution
- Step 1: Write the proportion equation
8,436,571,435.68 : 12,645,998,614.64 = 2,838,565,180 : x - Step 2: Convert to fraction form
8,436,571,435.68/12,645,998,614.64 = 2,838,565,180/x - Step 3: Cross multiply
8,436,571,435.68x = 12,645,998,614.64 × 2,838,565,180 - Step 4: Simplify right side
8,436,571,435.68x = 35,896,491,333,845,340,160 - Step 5: Solve for x
x = 35,896,491,333,845,340,160/8,436,571,435.68 - Step 6: Final answer
x = 4,254,867,229.84
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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.