Finding the Fourth Proportional to 1,544,711,271.08, 2,131,774,431.92 and 875,669,283.04
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Solution
The fourth proportional to 1,544,711,271.08, 2,131,774,431.92 and 875,669,283.04 is: 1,208,464,923.74
Step by Step Solution
- Step 1: Write the proportion equation
1,544,711,271.08 : 2,131,774,431.92 = 875,669,283.04 : x - Step 2: Convert to fraction form
1,544,711,271.08/2,131,774,431.92 = 875,669,283.04/x - Step 3: Cross multiply
1,544,711,271.08x = 2,131,774,431.92 × 875,669,283.04 - Step 4: Simplify right side
1,544,711,271.08x = 1,866,729,388,402,389,760 - Step 5: Solve for x
x = 1,866,729,388,402,389,760/1,544,711,271.08 - Step 6: Final answer
x = 1,208,464,923.74
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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.