Finding the Fourth Proportional to 371,088,276.80, 556,632,415.20 and 349,925,115.20
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Solution
The fourth proportional to 371,088,276.80, 556,632,415.20 and 349,925,115.20 is: 524,887,672.80
Step by Step Solution
- Step 1: Write the proportion equation
371,088,276.80 : 556,632,415.20 = 349,925,115.20 : x - Step 2: Convert to fraction form
371,088,276.80/556,632,415.20 = 349,925,115.20/x - Step 3: Cross multiply
371,088,276.80x = 556,632,415.20 × 349,925,115.20 - Step 4: Simplify right side
371,088,276.80x = 194,779,662,012,914,240 - Step 5: Solve for x
x = 194,779,662,012,914,240/371,088,276.80 - Step 6: Final answer
x = 524,887,672.80
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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.