Finding the Fourth Proportional to 776,935,092.70, 1,165,402,639.05 and 532,047,079.90
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Solution
The fourth proportional to 776,935,092.70, 1,165,402,639.05 and 532,047,079.90 is: 798,070,619.85
Step by Step Solution
- Step 1: Write the proportion equation
776,935,092.70 : 1,165,402,639.05 = 532,047,079.90 : x - Step 2: Convert to fraction form
776,935,092.70/1,165,402,639.05 = 532,047,079.90/x - Step 3: Cross multiply
776,935,092.70x = 1,165,402,639.05 × 532,047,079.90 - Step 4: Simplify right side
776,935,092.70x = 620,049,071,014,306,176 - Step 5: Solve for x
x = 620,049,071,014,306,176/776,935,092.70 - Step 6: Final answer
x = 798,070,619.85
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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.