Finding the Fourth Proportional to 663,997,953.15, 996,341,622.80 and 270,813,236.09
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Solution
The fourth proportional to 663,997,953.15, 996,341,622.80 and 270,813,236.09 is: 406,360,438.06
Step by Step Solution
- Step 1: Write the proportion equation
663,997,953.15 : 996,341,622.80 = 270,813,236.09 : x - Step 2: Convert to fraction form
663,997,953.15/996,341,622.80 = 270,813,236.09/x - Step 3: Cross multiply
663,997,953.15x = 996,341,622.80 × 270,813,236.09 - Step 4: Simplify right side
663,997,953.15x = 269,822,499,115,294,304 - Step 5: Solve for x
x = 269,822,499,115,294,304/663,997,953.15 - Step 6: Final answer
x = 406,360,438.06
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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.