Finding the Fourth Proportional to 1,185,880,289.44, 1,635,560,568.87 and 1,042,519,525.96
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Solution
The fourth proportional to 1,185,880,289.44, 1,635,560,568.87 and 1,042,519,525.96 is: 1,437,838,071.95
Step by Step Solution
- Step 1: Write the proportion equation
1,185,880,289.44 : 1,635,560,568.87 = 1,042,519,525.96 : x - Step 2: Convert to fraction form
1,185,880,289.44/1,635,560,568.87 = 1,042,519,525.96/x - Step 3: Cross multiply
1,185,880,289.44x = 1,635,560,568.87 × 1,042,519,525.96 - Step 4: Simplify right side
1,185,880,289.44x = 1,705,103,828,937,220,352 - Step 5: Solve for x
x = 1,705,103,828,937,220,352/1,185,880,289.44 - Step 6: Final answer
x = 1,437,838,071.95
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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.