Finding the Fourth Proportional to 1,173,204,313.80, 1,759,806,470.70 and 629,008,729.80
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Solution
The fourth proportional to 1,173,204,313.80, 1,759,806,470.70 and 629,008,729.80 is: 943,513,094.70
Step by Step Solution
- Step 1: Write the proportion equation
1,173,204,313.80 : 1,759,806,470.70 = 629,008,729.80 : x - Step 2: Convert to fraction form
1,173,204,313.80/1,759,806,470.70 = 629,008,729.80/x - Step 3: Cross multiply
1,173,204,313.80x = 1,759,806,470.70 × 629,008,729.80 - Step 4: Simplify right side
1,173,204,313.80x = 1,106,933,632,828,827,904 - Step 5: Solve for x
x = 1,106,933,632,828,827,904/1,173,204,313.80 - Step 6: Final answer
x = 943,513,094.70
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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.