Finding the Fourth Proportional to 970,241,601.40, 1,455,362,402.10 and 280,171,367.80
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Solution
The fourth proportional to 970,241,601.40, 1,455,362,402.10 and 280,171,367.80 is: 420,257,051.70
Step by Step Solution
- Step 1: Write the proportion equation
970,241,601.40 : 1,455,362,402.10 = 280,171,367.80 : x - Step 2: Convert to fraction form
970,241,601.40/1,455,362,402.10 = 280,171,367.80/x - Step 3: Cross multiply
970,241,601.40x = 1,455,362,402.10 × 280,171,367.80 - Step 4: Simplify right side
970,241,601.40x = 407,750,874,841,050,560 - Step 5: Solve for x
x = 407,750,874,841,050,560/970,241,601.40 - Step 6: Final answer
x = 420,257,051.70
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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.