Finding the Fourth Proportional to 1,036,638,078.05, 1,554,957,117.08 and 649,217,589.05
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Solution
The fourth proportional to 1,036,638,078.05, 1,554,957,117.08 and 649,217,589.05 is: 973,826,383.58
Step by Step Solution
- Step 1: Write the proportion equation
1,036,638,078.05 : 1,554,957,117.08 = 649,217,589.05 : x - Step 2: Convert to fraction form
1,036,638,078.05/1,554,957,117.08 = 649,217,589.05/x - Step 3: Cross multiply
1,036,638,078.05x = 1,554,957,117.08 × 649,217,589.05 - Step 4: Simplify right side
1,036,638,078.05x = 1,009,505,510,626,816,000 - Step 5: Solve for x
x = 1,009,505,510,626,816,000/1,036,638,078.05 - Step 6: Final answer
x = 973,826,383.58
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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.