Finding the Fourth Proportional to 1,602,359,759.66, 2,206,117,221.28 and 1,249,482,935.66
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Solution
The fourth proportional to 1,602,359,759.66, 2,206,117,221.28 and 1,249,482,935.66 is: 1,720,278,985.68
Step by Step Solution
- Step 1: Write the proportion equation
1,602,359,759.66 : 2,206,117,221.28 = 1,249,482,935.66 : x - Step 2: Convert to fraction form
1,602,359,759.66/2,206,117,221.28 = 1,249,482,935.66/x - Step 3: Cross multiply
1,602,359,759.66x = 2,206,117,221.28 × 1,249,482,935.66 - Step 4: Simplify right side
1,602,359,759.66x = 2,756,505,822,040,862,208 - Step 5: Solve for x
x = 2,756,505,822,040,862,208/1,602,359,759.66 - Step 6: Final answer
x = 1,720,278,985.68
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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.