Finding the Fourth Proportional to 821,351,037.52, 1,232,028,656.52 and 207,935,328.88
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Solution
The fourth proportional to 821,351,037.52, 1,232,028,656.52 and 207,935,328.88 is: 311,903,525.02
Step by Step Solution
- Step 1: Write the proportion equation
821,351,037.52 : 1,232,028,656.52 = 207,935,328.88 : x - Step 2: Convert to fraction form
821,351,037.52/1,232,028,656.52 = 207,935,328.88/x - Step 3: Cross multiply
821,351,037.52x = 1,232,028,656.52 × 207,935,328.88 - Step 4: Simplify right side
821,351,037.52x = 256,182,283,883,070,752 - Step 5: Solve for x
x = 256,182,283,883,070,752/821,351,037.52 - Step 6: Final answer
x = 311,903,525.02
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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.