Finding the Fourth Proportional to 1,284,159,620.97, 1,772,149,346.87 and 697,448,756.97
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Solution
The fourth proportional to 1,284,159,620.97, 1,772,149,346.87 and 697,448,756.97 is: 962,484,210.65
Step by Step Solution
- Step 1: Write the proportion equation
1,284,159,620.97 : 1,772,149,346.87 = 697,448,756.97 : x - Step 2: Convert to fraction form
1,284,159,620.97/1,772,149,346.87 = 697,448,756.97/x - Step 3: Cross multiply
1,284,159,620.97x = 1,772,149,346.87 × 697,448,756.97 - Step 4: Simplify right side
1,284,159,620.97x = 1,235,983,359,136,191,744 - Step 5: Solve for x
x = 1,235,983,359,136,191,744/1,284,159,620.97 - Step 6: Final answer
x = 962,484,210.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.