Finding the Fourth Proportional to 316,403,713.20, 474,605,569.80 and 316,403,713.20
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Solution
The fourth proportional to 316,403,713.20, 474,605,569.80 and 316,403,713.20 is: 474,605,569.80
Step by Step Solution
- Step 1: Write the proportion equation
316,403,713.20 : 474,605,569.80 = 316,403,713.20 : x - Step 2: Convert to fraction form
316,403,713.20/474,605,569.80 = 316,403,713.20/x - Step 3: Cross multiply
316,403,713.20x = 474,605,569.80 × 316,403,713.20 - Step 4: Simplify right side
316,403,713.20x = 150,166,964,590,121,792 - Step 5: Solve for x
x = 150,166,964,590,121,792/316,403,713.20 - Step 6: Final answer
x = 474,605,569.80
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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.