Finding the Fourth Proportional to 441,145,231.30, 661,742,730.15 and 134,447,349.70
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Solution
The fourth proportional to 441,145,231.30, 661,742,730.15 and 134,447,349.70 is: 201,678,608.18
Step by Step Solution
- Step 1: Write the proportion equation
441,145,231.30 : 661,742,730.15 = 134,447,349.70 : x - Step 2: Convert to fraction form
441,145,231.30/661,742,730.15 = 134,447,349.70/x - Step 3: Cross multiply
441,145,231.30x = 661,742,730.15 × 134,447,349.70 - Step 4: Simplify right side
441,145,231.30x = 88,969,556,251,909,776 - Step 5: Solve for x
x = 88,969,556,251,909,776/441,145,231.30 - Step 6: Final answer
x = 201,678,608.18
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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.