Finding the Fourth Proportional to 279,894,504.60, 386,262,612.09 and 152,743,376.08
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Solution
The fourth proportional to 279,894,504.60, 386,262,612.09 and 152,743,376.08 is: 210,790,331.55
Step by Step Solution
- Step 1: Write the proportion equation
279,894,504.60 : 386,262,612.09 = 152,743,376.08 : x - Step 2: Convert to fraction form
279,894,504.60/386,262,612.09 = 152,743,376.08/x - Step 3: Cross multiply
279,894,504.60x = 386,262,612.09 × 152,743,376.08 - Step 4: Simplify right side
279,894,504.60x = 58,999,055,424,106,024 - Step 5: Solve for x
x = 58,999,055,424,106,024/279,894,504.60 - Step 6: Final answer
x = 210,790,331.55
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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.