Finding the Fourth Proportional to 8,139,203,283.70, 12,208,804,925.55 and 2,011,964,115.70
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Solution
The fourth proportional to 8,139,203,283.70, 12,208,804,925.55 and 2,011,964,115.70 is: 3,017,946,173.55
Step by Step Solution
- Step 1: Write the proportion equation
8,139,203,283.70 : 12,208,804,925.55 = 2,011,964,115.70 : x - Step 2: Convert to fraction form
8,139,203,283.70/12,208,804,925.55 = 2,011,964,115.70/x - Step 3: Cross multiply
8,139,203,283.70x = 12,208,804,925.55 × 2,011,964,115.70 - Step 4: Simplify right side
8,139,203,283.70x = 24,563,677,405,788,008,448 - Step 5: Solve for x
x = 24,563,677,405,788,008,448/8,139,203,283.70 - Step 6: Final answer
x = 3,017,946,173.55
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Double scale
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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.