Finding the Fourth Proportional to 1,474,482,657.06, 2,034,793,001.97 and 805,436,983.94
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Solution
The fourth proportional to 1,474,482,657.06, 2,034,793,001.97 and 805,436,983.94 is: 1,111,506,826.20
Step by Step Solution
- Step 1: Write the proportion equation
1,474,482,657.06 : 2,034,793,001.97 = 805,436,983.94 : x - Step 2: Convert to fraction form
1,474,482,657.06/2,034,793,001.97 = 805,436,983.94/x - Step 3: Cross multiply
1,474,482,657.06x = 2,034,793,001.97 × 805,436,983.94 - Step 4: Simplify right side
1,474,482,657.06x = 1,638,897,538,438,761,216 - Step 5: Solve for x
x = 1,638,897,538,438,761,216/1,474,482,657.06 - Step 6: Final answer
x = 1,111,506,826.20
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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.