Finding the Fourth Proportional to 438,049,235.30, 657,073,852.95 and 366,385,619.30
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Solution
The fourth proportional to 438,049,235.30, 657,073,852.95 and 366,385,619.30 is: 549,578,428.95
Step by Step Solution
- Step 1: Write the proportion equation
438,049,235.30 : 657,073,852.95 = 366,385,619.30 : x - Step 2: Convert to fraction form
438,049,235.30/657,073,852.95 = 366,385,619.30/x - Step 3: Cross multiply
438,049,235.30x = 657,073,852.95 × 366,385,619.30 - Step 4: Simplify right side
438,049,235.30x = 240,742,410,538,922,912 - Step 5: Solve for x
x = 240,742,410,538,922,912/438,049,235.30 - Step 6: Final answer
x = 549,578,428.95
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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.