Finding the Fourth Proportional to 7,081,505,199.51, 9,773,334,112.34 and 4,030,423,305.74
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Solution
The fourth proportional to 7,081,505,199.51, 9,773,334,112.34 and 4,030,423,305.74 is: 5,562,471,885.75
Step by Step Solution
- Step 1: Write the proportion equation
7,081,505,199.51 : 9,773,334,112.34 = 4,030,423,305.74 : x - Step 2: Convert to fraction form
7,081,505,199.51/9,773,334,112.34 = 4,030,423,305.74/x - Step 3: Cross multiply
7,081,505,199.51x = 9,773,334,112.34 × 4,030,423,305.74 - Step 4: Simplify right side
7,081,505,199.51x = 39,390,673,581,089,873,920 - Step 5: Solve for x
x = 39,390,673,581,089,873,920/7,081,505,199.51 - Step 6: Final answer
x = 5,562,471,885.75
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1.5x scale
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.