Finding the Fourth Proportional to 435,641,163.20, 653,461,744.80 and 433,090,246.40
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Solution
The fourth proportional to 435,641,163.20, 653,461,744.80 and 433,090,246.40 is: 649,635,369.60
Step by Step Solution
- Step 1: Write the proportion equation
435,641,163.20 : 653,461,744.80 = 433,090,246.40 : x - Step 2: Convert to fraction form
435,641,163.20/653,461,744.80 = 433,090,246.40/x - Step 3: Cross multiply
435,641,163.20x = 653,461,744.80 × 433,090,246.40 - Step 4: Simplify right side
435,641,163.20x = 283,007,908,068,405,888 - Step 5: Solve for x
x = 283,007,908,068,405,888/435,641,163.20 - Step 6: Final answer
x = 649,635,369.60
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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.