Finding the Fourth Proportional to 1,232,940,921.29, 1,849,411,346.19 and 568,758,430.70
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Solution
The fourth proportional to 1,232,940,921.29, 1,849,411,346.19 and 568,758,430.70 is: 853,137,629.56
Step by Step Solution
- Step 1: Write the proportion equation
1,232,940,921.29 : 1,849,411,346.19 = 568,758,430.70 : x - Step 2: Convert to fraction form
1,232,940,921.29/1,849,411,346.19 = 568,758,430.70/x - Step 3: Cross multiply
1,232,940,921.29x = 1,849,411,346.19 × 568,758,430.70 - Step 4: Simplify right side
1,232,940,921.29x = 1,051,868,294,974,955,136 - Step 5: Solve for x
x = 1,051,868,294,974,955,136/1,232,940,921.29 - Step 6: Final answer
x = 853,137,629.56
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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.