Finding the Fourth Proportional to 1,756,749,723.08, 2,635,560,726.93 and 871,850,386.35
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Solution
The fourth proportional to 1,756,749,723.08, 2,635,560,726.93 and 871,850,386.35 is: 1,307,992,030.87
Step by Step Solution
- Step 1: Write the proportion equation
1,756,749,723.08 : 2,635,560,726.93 = 871,850,386.35 : x - Step 2: Convert to fraction form
1,756,749,723.08/2,635,560,726.93 = 871,850,386.35/x - Step 3: Cross multiply
1,756,749,723.08x = 2,635,560,726.93 × 871,850,386.35 - Step 4: Simplify right side
1,756,749,723.08x = 2,297,814,638,022,807,296 - Step 5: Solve for x
x = 2,297,814,638,022,807,296/1,756,749,723.08 - Step 6: Final answer
x = 1,307,992,030.87
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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.