Finding the Fourth Proportional to 7,805,105,435.12, 11,706,274,216.55 and 3,549,800,101.58
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Solution
The fourth proportional to 7,805,105,435.12, 11,706,274,216.55 and 3,549,800,101.58 is: 5,324,070,731.45
Step by Step Solution
- Step 1: Write the proportion equation
7,805,105,435.12 : 11,706,274,216.55 = 3,549,800,101.58 : x - Step 2: Convert to fraction form
7,805,105,435.12/11,706,274,216.55 = 3,549,800,101.58/x - Step 3: Cross multiply
7,805,105,435.12x = 11,706,274,216.55 × 3,549,800,101.58 - Step 4: Simplify right side
7,805,105,435.12x = 41,554,933,402,956,242,944 - Step 5: Solve for x
x = 41,554,933,402,956,242,944/7,805,105,435.12 - Step 6: Final answer
x = 5,324,070,731.45
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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.