Finding the Fourth Proportional to 896,305,526.09, 1,236,907,017.11 and 499,853,543.57
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Solution
The fourth proportional to 896,305,526.09, 1,236,907,017.11 and 499,853,543.57 is: 689,800,896.65
Step by Step Solution
- Step 1: Write the proportion equation
896,305,526.09 : 1,236,907,017.11 = 499,853,543.57 : x - Step 2: Convert to fraction form
896,305,526.09/1,236,907,017.11 = 499,853,543.57/x - Step 3: Cross multiply
896,305,526.09x = 1,236,907,017.11 × 499,853,543.57 - Step 4: Simplify right side
896,305,526.09x = 618,272,355,566,532,864 - Step 5: Solve for x
x = 618,272,355,566,532,864/896,305,526.09 - Step 6: Final answer
x = 689,800,896.65
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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.