Finding the Fourth Proportional to 1,176,122,296.80, 1,763,758,292.40 and 593,662,960.80
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Solution
The fourth proportional to 1,176,122,296.80, 1,763,758,292.40 and 593,662,960.80 is: 890,279,839.82
Step by Step Solution
- Step 1: Write the proportion equation
1,176,122,296.80 : 1,763,758,292.40 = 593,662,960.80 : x - Step 2: Convert to fraction form
1,176,122,296.80/1,763,758,292.40 = 593,662,960.80/x - Step 3: Cross multiply
1,176,122,296.80x = 1,763,758,292.40 × 593,662,960.80 - Step 4: Simplify right side
1,176,122,296.80x = 1,047,077,970,001,736,064 - Step 5: Solve for x
x = 1,047,077,970,001,736,064/1,176,122,296.80 - Step 6: Final answer
x = 890,279,839.82
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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.