Finding the Fourth Proportional to 8,734,679,958.90, 13,102,019,938.35 and 2,839,227,798.90
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Solution
The fourth proportional to 8,734,679,958.90, 13,102,019,938.35 and 2,839,227,798.90 is: 4,258,841,698.35
Step by Step Solution
- Step 1: Write the proportion equation
8,734,679,958.90 : 13,102,019,938.35 = 2,839,227,798.90 : x - Step 2: Convert to fraction form
8,734,679,958.90/13,102,019,938.35 = 2,839,227,798.90/x - Step 3: Cross multiply
8,734,679,958.90x = 13,102,019,938.35 × 2,839,227,798.90 - Step 4: Simplify right side
8,734,679,958.90x = 37,199,619,230,705,385,472 - Step 5: Solve for x
x = 37,199,619,230,705,385,472/8,734,679,958.90 - Step 6: Final answer
x = 4,258,841,698.35
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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.