Finding the Fourth Proportional to 6,119,599,368.30, 9,179,399,052.45 and 1,982,012,318.70
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Solution
The fourth proportional to 6,119,599,368.30, 9,179,399,052.45 and 1,982,012,318.70 is: 2,973,018,478.05
Step by Step Solution
- Step 1: Write the proportion equation
6,119,599,368.30 : 9,179,399,052.45 = 1,982,012,318.70 : x - Step 2: Convert to fraction form
6,119,599,368.30/9,179,399,052.45 = 1,982,012,318.70/x - Step 3: Cross multiply
6,119,599,368.30x = 9,179,399,052.45 × 1,982,012,318.70 - Step 4: Simplify right side
6,119,599,368.30x = 18,193,682,000,219,009,024 - Step 5: Solve for x
x = 18,193,682,000,219,009,024/6,119,599,368.30 - Step 6: Final answer
x = 2,973,018,478.05
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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.