Finding the Fourth Proportional to 7,799,266,263.18, 10,762,987,442.94 and 4,457,836,290.09
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Solution
The fourth proportional to 7,799,266,263.18, 10,762,987,442.94 and 4,457,836,290.09 is: 6,151,814,080.18
Step by Step Solution
- Step 1: Write the proportion equation
7,799,266,263.18 : 10,762,987,442.94 = 4,457,836,290.09 : x - Step 2: Convert to fraction form
7,799,266,263.18/10,762,987,442.94 = 4,457,836,290.09/x - Step 3: Cross multiply
7,799,266,263.18x = 10,762,987,442.94 × 4,457,836,290.09 - Step 4: Simplify right side
7,799,266,263.18x = 47,979,636,012,920,905,728 - Step 5: Solve for x
x = 47,979,636,012,920,905,728/7,799,266,263.18 - Step 6: Final answer
x = 6,151,814,080.18
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.