Finding the Fourth Proportional to 379,540,939.94, 569,389,058.42 and 130,513,855.18
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Solution
The fourth proportional to 379,540,939.94, 569,389,058.42 and 130,513,855.18 is: 195,797,483.99
Step by Step Solution
- Step 1: Write the proportion equation
379,540,939.94 : 569,389,058.42 = 130,513,855.18 : x - Step 2: Convert to fraction form
379,540,939.94/569,389,058.42 = 130,513,855.18/x - Step 3: Cross multiply
379,540,939.94x = 569,389,058.42 × 130,513,855.18 - Step 4: Simplify right side
379,540,939.94x = 74,313,161,111,704,432 - Step 5: Solve for x
x = 74,313,161,111,704,432/379,540,939.94 - Step 6: Final answer
x = 195,797,483.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.