Finding the Fourth Proportional to 746,852,344.21, 1,120,263,133.58 and 248,899,014.72
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Solution
The fourth proportional to 746,852,344.21, 1,120,263,133.58 and 248,899,014.72 is: 373,343,395.56
Step by Step Solution
- Step 1: Write the proportion equation
746,852,344.21 : 1,120,263,133.58 = 248,899,014.72 : x - Step 2: Convert to fraction form
746,852,344.21/1,120,263,133.58 = 248,899,014.72/x - Step 3: Cross multiply
746,852,344.21x = 1,120,263,133.58 × 248,899,014.72 - Step 4: Simplify right side
746,852,344.21x = 278,832,390,172,415,968 - Step 5: Solve for x
x = 278,832,390,172,415,968/746,852,344.21 - Step 6: Final answer
x = 373,343,395.56
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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.