Finding the Fourth Proportional to 646,282,082.07, 969,559,314.89 and 209,548,710.99
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Solution
The fourth proportional to 646,282,082.07, 969,559,314.89 and 209,548,710.99 is: 314,367,224.93
Step by Step Solution
- Step 1: Write the proportion equation
646,282,082.07 : 969,559,314.89 = 209,548,710.99 : x - Step 2: Convert to fraction form
646,282,082.07/969,559,314.89 = 209,548,710.99/x - Step 3: Cross multiply
646,282,082.07x = 969,559,314.89 × 209,548,710.99 - Step 4: Simplify right side
646,282,082.07x = 203,169,904,662,499,264 - Step 5: Solve for x
x = 203,169,904,662,499,264/646,282,082.07 - Step 6: Final answer
x = 314,367,224.93
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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.