Finding the Fourth Proportional to 1,119,745,652.40, 1,679,618,478.60 and 1,043,218,148.40
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Solution
The fourth proportional to 1,119,745,652.40, 1,679,618,478.60 and 1,043,218,148.40 is: 1,564,827,222.60
Step by Step Solution
- Step 1: Write the proportion equation
1,119,745,652.40 : 1,679,618,478.60 = 1,043,218,148.40 : x - Step 2: Convert to fraction form
1,119,745,652.40/1,679,618,478.60 = 1,043,218,148.40/x - Step 3: Cross multiply
1,119,745,652.40x = 1,679,618,478.60 × 1,043,218,148.40 - Step 4: Simplify right side
1,119,745,652.40x = 1,752,208,479,263,516,928 - Step 5: Solve for x
x = 1,752,208,479,263,516,928/1,119,745,652.40 - Step 6: Final answer
x = 1,564,827,222.60
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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.