Finding the Fourth Proportional to 663,564,325.98, 915,716,872.95 and 366,204,409.50
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Solution
The fourth proportional to 663,564,325.98, 915,716,872.95 and 366,204,409.50 is: 505,361,038.26
Step by Step Solution
- Step 1: Write the proportion equation
663,564,325.98 : 915,716,872.95 = 366,204,409.50 : x - Step 2: Convert to fraction form
663,564,325.98/915,716,872.95 = 366,204,409.50/x - Step 3: Cross multiply
663,564,325.98x = 915,716,872.95 × 366,204,409.50 - Step 4: Simplify right side
663,564,325.98x = 335,339,556,727,841,280 - Step 5: Solve for x
x = 335,339,556,727,841,280/663,564,325.98 - Step 6: Final answer
x = 505,361,038.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.