Finding the Fourth Proportional to 1,849,542,362.40, 2,774,313,543.60 and 759,807,501.60
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Solution
The fourth proportional to 1,849,542,362.40, 2,774,313,543.60 and 759,807,501.60 is: 1,139,711,252.40
Step by Step Solution
- Step 1: Write the proportion equation
1,849,542,362.40 : 2,774,313,543.60 = 759,807,501.60 : x - Step 2: Convert to fraction form
1,849,542,362.40/2,774,313,543.60 = 759,807,501.60/x - Step 3: Cross multiply
1,849,542,362.40x = 2,774,313,543.60 × 759,807,501.60 - Step 4: Simplify right side
1,849,542,362.40x = 2,107,944,242,217,758,720 - Step 5: Solve for x
x = 2,107,944,242,217,758,720/1,849,542,362.40 - Step 6: Final answer
x = 1,139,711,252.40
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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.