Finding the Fourth Proportional to 631,789,489.23, 947,170,799.15 and 263,598,882.99
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Solution
The fourth proportional to 631,789,489.23, 947,170,799.15 and 263,598,882.99 is: 395,184,106.28
Step by Step Solution
- Step 1: Write the proportion equation
631,789,489.23 : 947,170,799.15 = 263,598,882.99 : x - Step 2: Convert to fraction form
631,789,489.23/947,170,799.15 = 263,598,882.99/x - Step 3: Cross multiply
631,789,489.23x = 947,170,799.15 × 263,598,882.99 - Step 4: Simplify right side
631,789,489.23x = 249,673,164,655,367,648 - Step 5: Solve for x
x = 249,673,164,655,367,648/631,789,489.23 - Step 6: Final answer
x = 395,184,106.28
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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.