Finding the Fourth Proportional to 524,588,437.88, 786,920,448.17 and 201,472,309.88
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Solution
The fourth proportional to 524,588,437.88, 786,920,448.17 and 201,472,309.88 is: 302,222,978.88
Step by Step Solution
- Step 1: Write the proportion equation
524,588,437.88 : 786,920,448.17 = 201,472,309.88 : x - Step 2: Convert to fraction form
524,588,437.88/786,920,448.17 = 201,472,309.88/x - Step 3: Cross multiply
524,588,437.88x = 786,920,448.17 × 201,472,309.88 - Step 4: Simplify right side
524,588,437.88x = 158,542,680,381,183,808 - Step 5: Solve for x
x = 158,542,680,381,183,808/524,588,437.88 - Step 6: Final answer
x = 302,222,978.88
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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.