Finding the Fourth Proportional to 798,354,306.80, 1,197,531,460.20 and 583,363,458.80
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Solution
The fourth proportional to 798,354,306.80, 1,197,531,460.20 and 583,363,458.80 is: 875,045,188.20
Step by Step Solution
- Step 1: Write the proportion equation
798,354,306.80 : 1,197,531,460.20 = 583,363,458.80 : x - Step 2: Convert to fraction form
798,354,306.80/1,197,531,460.20 = 583,363,458.80/x - Step 3: Cross multiply
798,354,306.80x = 1,197,531,460.20 × 583,363,458.80 - Step 4: Simplify right side
798,354,306.80x = 698,596,094,644,086,528 - Step 5: Solve for x
x = 698,596,094,644,086,528/798,354,306.80 - Step 6: Final answer
x = 875,045,188.20
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.