Finding the Fourth Proportional to 651,840,775.40, 977,761,163.10 and 592,531,959.80
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Solution
The fourth proportional to 651,840,775.40, 977,761,163.10 and 592,531,959.80 is: 888,797,939.70
Step by Step Solution
- Step 1: Write the proportion equation
651,840,775.40 : 977,761,163.10 = 592,531,959.80 : x - Step 2: Convert to fraction form
651,840,775.40/977,761,163.10 = 592,531,959.80/x - Step 3: Cross multiply
651,840,775.40x = 977,761,163.10 × 592,531,959.80 - Step 4: Simplify right side
651,840,775.40x = 579,354,738,187,970,432 - Step 5: Solve for x
x = 579,354,738,187,970,432/651,840,775.40 - Step 6: Final answer
x = 888,797,939.70
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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.