Finding the Fourth Proportional to 1,345,402,165.40, 2,019,133,302.60 and 608,989,224.80
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Solution
The fourth proportional to 1,345,402,165.40, 2,019,133,302.60 and 608,989,224.80 is: 913,950,085.96
Step by Step Solution
- Step 1: Write the proportion equation
1,345,402,165.40 : 2,019,133,302.60 = 608,989,224.80 : x - Step 2: Convert to fraction form
1,345,402,165.40/2,019,133,302.60 = 608,989,224.80/x - Step 3: Cross multiply
1,345,402,165.40x = 2,019,133,302.60 × 608,989,224.80 - Step 4: Simplify right side
1,345,402,165.40x = 1,229,630,424,718,237,696 - Step 5: Solve for x
x = 1,229,630,424,718,237,696/1,345,402,165.40 - Step 6: Final answer
x = 913,950,085.96
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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.