Finding the Fourth Proportional to 1,577,360,939.67, 2,165,359,448.21 and 1,353,954,768.99
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Solution
The fourth proportional to 1,577,360,939.67, 2,165,359,448.21 and 1,353,954,768.99 is: 1,858,673,356.08
Step by Step Solution
- Step 1: Write the proportion equation
1,577,360,939.67 : 2,165,359,448.21 = 1,353,954,768.99 : x - Step 2: Convert to fraction form
1,577,360,939.67/2,165,359,448.21 = 1,353,954,768.99/x - Step 3: Cross multiply
1,577,360,939.67x = 2,165,359,448.21 × 1,353,954,768.99 - Step 4: Simplify right side
1,577,360,939.67x = 2,931,798,751,481,484,288 - Step 5: Solve for x
x = 2,931,798,751,481,484,288/1,577,360,939.67 - Step 6: Final answer
x = 1,858,673,356.08
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.