Finding the Fourth Proportional to 31,271,643,727.83, 43,154,896,152.06 and 16,998,471,351.99
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Solution
The fourth proportional to 31,271,643,727.83, 43,154,896,152.06 and 16,998,471,351.99 is: 23,457,905,581.28
Step by Step Solution
- Step 1: Write the proportion equation
31,271,643,727.83 : 43,154,896,152.06 = 16,998,471,351.99 : x - Step 2: Convert to fraction form
31,271,643,727.83/43,154,896,152.06 = 16,998,471,351.99/x - Step 3: Cross multiply
31,271,643,727.83x = 43,154,896,152.06 × 16,998,471,351.99 - Step 4: Simplify right side
31,271,643,727.83x = 733,567,265,938,895,405,056 - Step 5: Solve for x
x = 733,567,265,938,895,405,056/31,271,643,727.83 - Step 6: Final answer
x = 23,457,905,581.28
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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.