Finding the Fourth Proportional to 424,604,263.08, 585,972,736.74 and 238,977,301.80
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Solution
The fourth proportional to 424,604,263.08, 585,972,736.74 and 238,977,301.80 is: 329,799,287.79
Step by Step Solution
- Step 1: Write the proportion equation
424,604,263.08 : 585,972,736.74 = 238,977,301.80 : x - Step 2: Convert to fraction form
424,604,263.08/585,972,736.74 = 238,977,301.80/x - Step 3: Cross multiply
424,604,263.08x = 585,972,736.74 × 238,977,301.80 - Step 4: Simplify right side
424,604,263.08x = 140,034,183,554,486,944 - Step 5: Solve for x
x = 140,034,183,554,486,944/424,604,263.08 - Step 6: Final answer
x = 329,799,287.79
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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.