Finding the Fourth Proportional to 1,465,609,110.90, 2,198,413,666.35 and 776,861,574.90
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Solution
The fourth proportional to 1,465,609,110.90, 2,198,413,666.35 and 776,861,574.90 is: 1,165,292,362.35
Step by Step Solution
- Step 1: Write the proportion equation
1,465,609,110.90 : 2,198,413,666.35 = 776,861,574.90 : x - Step 2: Convert to fraction form
1,465,609,110.90/2,198,413,666.35 = 776,861,574.90/x - Step 3: Cross multiply
1,465,609,110.90x = 2,198,413,666.35 × 776,861,574.90 - Step 4: Simplify right side
1,465,609,110.90x = 1,707,863,103,122,343,936 - Step 5: Solve for x
x = 1,707,863,103,122,343,936/1,465,609,110.90 - Step 6: Final answer
x = 1,165,292,362.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.