Finding the Fourth Proportional to 1,034,772,715.30, 1,552,159,072.95 and 517,283,025.70
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Solution
The fourth proportional to 1,034,772,715.30, 1,552,159,072.95 and 517,283,025.70 is: 775,924,538.55
Step by Step Solution
- Step 1: Write the proportion equation
1,034,772,715.30 : 1,552,159,072.95 = 517,283,025.70 : x - Step 2: Convert to fraction form
1,034,772,715.30/1,552,159,072.95 = 517,283,025.70/x - Step 3: Cross multiply
1,034,772,715.30x = 1,552,159,072.95 × 517,283,025.70 - Step 4: Simplify right side
1,034,772,715.30x = 802,905,541,623,283,072 - Step 5: Solve for x
x = 802,905,541,623,283,072/1,034,772,715.30 - Step 6: Final answer
x = 775,924,538.55
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Double scale
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Similar ratio
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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.