Finding the Fourth Proportional to 6,387,059,524.59, 8,822,769,155.60 and 4,813,049,380.59
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Solution
The fourth proportional to 6,387,059,524.59, 8,822,769,155.60 and 4,813,049,380.59 is: 6,648,509,138.82
Step by Step Solution
- Step 1: Write the proportion equation
6,387,059,524.59 : 8,822,769,155.60 = 4,813,049,380.59 : x - Step 2: Convert to fraction form
6,387,059,524.59/8,822,769,155.60 = 4,813,049,380.59/x - Step 3: Cross multiply
6,387,059,524.59x = 8,822,769,155.60 × 4,813,049,380.59 - Step 4: Simplify right side
6,387,059,524.59x = 42,464,423,619,425,067,008 - Step 5: Solve for x
x = 42,464,423,619,425,067,008/6,387,059,524.59 - Step 6: Final answer
x = 6,648,509,138.82
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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.