Finding the Fourth Proportional to 8,478,411,864.87, 12,717,614,804.01 and 2,267,415,725.40
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Solution
The fourth proportional to 8,478,411,864.87, 12,717,614,804.01 and 2,267,415,725.40 is: 3,401,122,787.59
Step by Step Solution
- Step 1: Write the proportion equation
8,478,411,864.87 : 12,717,614,804.01 = 2,267,415,725.40 : x - Step 2: Convert to fraction form
8,478,411,864.87/12,717,614,804.01 = 2,267,415,725.40/x - Step 3: Cross multiply
8,478,411,864.87x = 12,717,614,804.01 × 2,267,415,725.40 - Step 4: Simplify right side
8,478,411,864.87x = 28,836,119,796,192,116,736 - Step 5: Solve for x
x = 28,836,119,796,192,116,736/8,478,411,864.87 - Step 6: Final answer
x = 3,401,122,787.59
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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.