Finding the Fourth Proportional to 1,415,549,041.94, 1,954,295,634.45 and 1,258,482,318.68
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Solution
The fourth proportional to 1,415,549,041.94, 1,954,295,634.45 and 1,258,482,318.68 is: 1,737,450,578.23
Step by Step Solution
- Step 1: Write the proportion equation
1,415,549,041.94 : 1,954,295,634.45 = 1,258,482,318.68 : x - Step 2: Convert to fraction form
1,415,549,041.94/1,954,295,634.45 = 1,258,482,318.68/x - Step 3: Cross multiply
1,415,549,041.94x = 1,954,295,634.45 × 1,258,482,318.68 - Step 4: Simplify right side
1,415,549,041.94x = 2,459,446,501,419,066,368 - Step 5: Solve for x
x = 2,459,446,501,419,066,368/1,415,549,041.94 - Step 6: Final answer
x = 1,737,450,578.23
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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.