Finding the Fourth Proportional to 1,590,818,974.74, 2,386,081,230.57 and 750,268,985.85
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Solution
The fourth proportional to 1,590,818,974.74, 2,386,081,230.57 and 750,268,985.85 is: 1,125,334,040.79
Step by Step Solution
- Step 1: Write the proportion equation
1,590,818,974.74 : 2,386,081,230.57 = 750,268,985.85 : x - Step 2: Convert to fraction form
1,590,818,974.74/2,386,081,230.57 = 750,268,985.85/x - Step 3: Cross multiply
1,590,818,974.74x = 2,386,081,230.57 × 750,268,985.85 - Step 4: Simplify right side
1,590,818,974.74x = 1,790,202,745,015,474,176 - Step 5: Solve for x
x = 1,790,202,745,015,474,176/1,590,818,974.74 - Step 6: Final answer
x = 1,125,334,040.79
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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.