Finding the Fourth Proportional to 1,134,517,266.44, 1,565,633,810.76 and 612,996,498.44
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Solution
The fourth proportional to 1,134,517,266.44, 1,565,633,810.76 and 612,996,498.44 is: 845,935,158.70
Step by Step Solution
- Step 1: Write the proportion equation
1,134,517,266.44 : 1,565,633,810.76 = 612,996,498.44 : x - Step 2: Convert to fraction form
1,134,517,266.44/1,565,633,810.76 = 612,996,498.44/x - Step 3: Cross multiply
1,134,517,266.44x = 1,565,633,810.76 × 612,996,498.44 - Step 4: Simplify right side
1,134,517,266.44x = 959,728,043,835,153,664 - Step 5: Solve for x
x = 959,728,043,835,153,664/1,134,517,266.44 - Step 6: Final answer
x = 845,935,158.70
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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.