Finding the Fourth Proportional to 3,185,570,709.68, 4,395,863,098.64 and 1,775,812,313.84
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Solution
The fourth proportional to 3,185,570,709.68, 4,395,863,098.64 and 1,775,812,313.84 is: 2,450,495,855.20
Step by Step Solution
- Step 1: Write the proportion equation
3,185,570,709.68 : 4,395,863,098.64 = 1,775,812,313.84 : x - Step 2: Convert to fraction form
3,185,570,709.68/4,395,863,098.64 = 1,775,812,313.84/x - Step 3: Cross multiply
3,185,570,709.68x = 4,395,863,098.64 × 1,775,812,313.84 - Step 4: Simplify right side
3,185,570,709.68x = 7,806,227,820,519,771,136 - Step 5: Solve for x
x = 7,806,227,820,519,771,136/3,185,570,709.68 - Step 6: Final answer
x = 2,450,495,855.20
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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.