Finding the Fourth Proportional to 1,954,362,515.49, 2,697,038,326.26 and 1,062,291,340.71
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Solution
The fourth proportional to 1,954,362,515.49, 2,697,038,326.26 and 1,062,291,340.71 is: 1,465,971,863.89
Step by Step Solution
- Step 1: Write the proportion equation
1,954,362,515.49 : 2,697,038,326.26 = 1,062,291,340.71 : x - Step 2: Convert to fraction form
1,954,362,515.49/2,697,038,326.26 = 1,062,291,340.71/x - Step 3: Cross multiply
1,954,362,515.49x = 2,697,038,326.26 × 1,062,291,340.71 - Step 4: Simplify right side
1,954,362,515.49x = 2,865,040,459,548,989,952 - Step 5: Solve for x
x = 2,865,040,459,548,989,952/1,954,362,515.49 - Step 6: Final answer
x = 1,465,971,863.89
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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.