Finding the Fourth Proportional to 1,035,193,750.90, 1,552,790,626.35 and 939,642,262.90
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Solution
The fourth proportional to 1,035,193,750.90, 1,552,790,626.35 and 939,642,262.90 is: 1,409,463,394.35
Step by Step Solution
- Step 1: Write the proportion equation
1,035,193,750.90 : 1,552,790,626.35 = 939,642,262.90 : x - Step 2: Convert to fraction form
1,035,193,750.90/1,552,790,626.35 = 939,642,262.90/x - Step 3: Cross multiply
1,035,193,750.90x = 1,552,790,626.35 × 939,642,262.90 - Step 4: Simplify right side
1,035,193,750.90x = 1,459,067,697,953,422,336 - Step 5: Solve for x
x = 1,459,067,697,953,422,336/1,035,193,750.90 - Step 6: Final answer
x = 1,409,463,394.35
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1.5x scale
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.