Finding the Fourth Proportional to 1,303,435,691.10, 1,956,022,877.96 and 474,389,102.84
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Solution
The fourth proportional to 1,303,435,691.10, 1,956,022,877.96 and 474,389,102.84 is: 711,900,053.49
Step by Step Solution
- Step 1: Write the proportion equation
1,303,435,691.10 : 1,956,022,877.96 = 474,389,102.84 : x - Step 2: Convert to fraction form
1,303,435,691.10/1,956,022,877.96 = 474,389,102.84/x - Step 3: Cross multiply
1,303,435,691.10x = 1,956,022,877.96 × 474,389,102.84 - Step 4: Simplify right side
1,303,435,691.10x = 927,915,938,209,959,168 - Step 5: Solve for x
x = 927,915,938,209,959,168/1,303,435,691.10 - Step 6: Final answer
x = 711,900,053.49
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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.