Finding the Fourth Proportional to 658,862,185.86, 909,246,549.58 and 361,504,349.19
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Solution
The fourth proportional to 658,862,185.86, 909,246,549.58 and 361,504,349.19 is: 498,885,182.99
Step by Step Solution
- Step 1: Write the proportion equation
658,862,185.86 : 909,246,549.58 = 361,504,349.19 : x - Step 2: Convert to fraction form
658,862,185.86/909,246,549.58 = 361,504,349.19/x - Step 3: Cross multiply
658,862,185.86x = 909,246,549.58 × 361,504,349.19 - Step 4: Simplify right side
658,862,185.86x = 328,696,582,158,267,200 - Step 5: Solve for x
x = 328,696,582,158,267,200/658,862,185.86 - Step 6: Final answer
x = 498,885,182.99
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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.