Finding the Fourth Proportional to 6,297,607,993.98, 8,690,641,816.90 and 3,439,749,612.74
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Solution
The fourth proportional to 6,297,607,993.98, 8,690,641,816.90 and 3,439,749,612.74 is: 4,746,823,214.90
Step by Step Solution
- Step 1: Write the proportion equation
6,297,607,993.98 : 8,690,641,816.90 = 3,439,749,612.74 : x - Step 2: Convert to fraction form
6,297,607,993.98/8,690,641,816.90 = 3,439,749,612.74/x - Step 3: Cross multiply
6,297,607,993.98x = 8,690,641,816.90 × 3,439,749,612.74 - Step 4: Simplify right side
6,297,607,993.98x = 29,893,631,824,143,822,848 - Step 5: Solve for x
x = 29,893,631,824,143,822,848/6,297,607,993.98 - Step 6: Final answer
x = 4,746,823,214.90
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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.