Finding the Fourth Proportional to 7,387,601,489.64, 11,092,459,860.50 and 6,394,701,965.62
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Solution
The fourth proportional to 7,387,601,489.64, 11,092,459,860.50 and 6,394,701,965.62 is: 9,601,624,420.72
Step by Step Solution
- Step 1: Write the proportion equation
7,387,601,489.64 : 11,092,459,860.50 = 6,394,701,965.62 : x - Step 2: Convert to fraction form
7,387,601,489.64/11,092,459,860.50 = 6,394,701,965.62/x - Step 3: Cross multiply
7,387,601,489.64x = 11,092,459,860.50 × 6,394,701,965.62 - Step 4: Simplify right side
7,387,601,489.64x = 70,932,974,873,500,303,360 - Step 5: Solve for x
x = 70,932,974,873,500,303,360/7,387,601,489.64 - Step 6: Final answer
x = 9,601,624,420.72
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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.