Finding the Fourth Proportional to 1,153,174,570.76, 1,729,984,405.80 and 376,611,461.48
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Solution
The fourth proportional to 1,153,174,570.76, 1,729,984,405.80 and 376,611,461.48 is: 564,989,873.98
Step by Step Solution
- Step 1: Write the proportion equation
1,153,174,570.76 : 1,729,984,405.80 = 376,611,461.48 : x - Step 2: Convert to fraction form
1,153,174,570.76/1,729,984,405.80 = 376,611,461.48/x - Step 3: Cross multiply
1,153,174,570.76x = 1,729,984,405.80 × 376,611,461.48 - Step 4: Simplify right side
1,153,174,570.76x = 651,531,955,405,947,392 - Step 5: Solve for x
x = 651,531,955,405,947,392/1,153,174,570.76 - Step 6: Final answer
x = 564,989,873.98
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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.