Finding the Fourth Proportional to 5,725,462,637.68, 8,586,067,492.56 and 1,993,795,735.12
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Solution
The fourth proportional to 5,725,462,637.68, 8,586,067,492.56 and 1,993,795,735.12 is: 2,989,953,097.49
Step by Step Solution
- Step 1: Write the proportion equation
5,725,462,637.68 : 8,586,067,492.56 = 1,993,795,735.12 : x - Step 2: Convert to fraction form
5,725,462,637.68/8,586,067,492.56 = 1,993,795,735.12/x - Step 3: Cross multiply
5,725,462,637.68x = 8,586,067,492.56 × 1,993,795,735.12 - Step 4: Simplify right side
5,725,462,637.68x = 17,118,864,748,118,599,680 - Step 5: Solve for x
x = 17,118,864,748,118,599,680/5,725,462,637.68 - Step 6: Final answer
x = 2,989,953,097.49
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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.