Finding the Fourth Proportional to 421,800,320,614.83, 582,132,730,618.92 and 236,452,090,289.18
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Solution
The fourth proportional to 421,800,320,614.83, 582,132,730,618.92 and 236,452,090,289.18 is: 326,330,953,897.70
Step by Step Solution
- Step 1: Write the proportion equation
421,800,320,614.83 : 582,132,730,618.92 = 236,452,090,289.18 : x - Step 2: Convert to fraction form
421,800,320,614.83/582,132,730,618.92 = 236,452,090,289.18/x - Step 3: Cross multiply
421,800,320,614.83x = 582,132,730,618.92 × 236,452,090,289.18 - Step 4: Simplify right side
421,800,320,614.83x = 137,646,500,980,591,773,614,080 - Step 5: Solve for x
x = 137,646,500,980,591,773,614,080/421,800,320,614.83 - Step 6: Final answer
x = 326,330,953,897.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.