Finding the Fourth Proportional to 703,197,600.58, 970,430,506.86 and 385,670,488.96
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Solution
The fourth proportional to 703,197,600.58, 970,430,506.86 and 385,670,488.96 is: 532,235,047.12
Step by Step Solution
- Step 1: Write the proportion equation
703,197,600.58 : 970,430,506.86 = 385,670,488.96 : x - Step 2: Convert to fraction form
703,197,600.58/970,430,506.86 = 385,670,488.96/x - Step 3: Cross multiply
703,197,600.58x = 970,430,506.86 × 385,670,488.96 - Step 4: Simplify right side
703,197,600.58x = 374,266,408,082,396,800 - Step 5: Solve for x
x = 374,266,408,082,396,800/703,197,600.58 - Step 6: Final answer
x = 532,235,047.12
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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.