Finding the Fourth Proportional to 18,071,105,772.10, 24,911,842,711.99 and 12,628,744,357.73
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Solution
The fourth proportional to 18,071,105,772.10, 24,911,842,711.99 and 12,628,744,357.73 is: 17,409,299,522.53
Step by Step Solution
- Step 1: Write the proportion equation
18,071,105,772.10 : 24,911,842,711.99 = 12,628,744,357.73 : x - Step 2: Convert to fraction form
18,071,105,772.10/24,911,842,711.99 = 12,628,744,357.73/x - Step 3: Cross multiply
18,071,105,772.10x = 24,911,842,711.99 × 12,628,744,357.73 - Step 4: Simplify right side
18,071,105,772.10x = 314,605,293,089,700,249,600 - Step 5: Solve for x
x = 314,605,293,089,700,249,600/18,071,105,772.10 - Step 6: Final answer
x = 17,409,299,522.53
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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.