Finding the Fourth Proportional to 5,055,130,488.96, 7,583,028,449.04 and 1,324,513,229.76
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Solution
The fourth proportional to 5,055,130,488.96, 7,583,028,449.04 and 1,324,513,229.76 is: 1,986,857,020.67
Step by Step Solution
- Step 1: Write the proportion equation
5,055,130,488.96 : 7,583,028,449.04 = 1,324,513,229.76 : x - Step 2: Convert to fraction form
5,055,130,488.96/7,583,028,449.04 = 1,324,513,229.76/x - Step 3: Cross multiply
5,055,130,488.96x = 7,583,028,449.04 × 1,324,513,229.76 - Step 4: Simplify right side
5,055,130,488.96x = 10,043,821,502,399,934,464 - Step 5: Solve for x
x = 10,043,821,502,399,934,464/5,055,130,488.96 - Step 6: Final answer
x = 1,986,857,020.67
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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.