Finding the Fourth Proportional to 1,579,607,343.20, 2,369,411,014.80 and 804,766,365.20
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Solution
The fourth proportional to 1,579,607,343.20, 2,369,411,014.80 and 804,766,365.20 is: 1,207,149,547.80
Step by Step Solution
- Step 1: Write the proportion equation
1,579,607,343.20 : 2,369,411,014.80 = 804,766,365.20 : x - Step 2: Convert to fraction form
1,579,607,343.20/2,369,411,014.80 = 804,766,365.20/x - Step 3: Cross multiply
1,579,607,343.20x = 2,369,411,014.80 × 804,766,365.20 - Step 4: Simplify right side
1,579,607,343.20x = 1,906,822,290,045,439,744 - Step 5: Solve for x
x = 1,906,822,290,045,439,744/1,579,607,343.20 - Step 6: Final answer
x = 1,207,149,547.80
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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.