Finding the Fourth Proportional to 336,901,297.80, 505,351,946.70 and 155,502,769.80
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Solution
The fourth proportional to 336,901,297.80, 505,351,946.70 and 155,502,769.80 is: 233,254,154.70
Step by Step Solution
- Step 1: Write the proportion equation
336,901,297.80 : 505,351,946.70 = 155,502,769.80 : x - Step 2: Convert to fraction form
336,901,297.80/505,351,946.70 = 155,502,769.80/x - Step 3: Cross multiply
336,901,297.80x = 505,351,946.70 × 155,502,769.80 - Step 4: Simplify right side
336,901,297.80x = 78,583,627,435,671,968 - Step 5: Solve for x
x = 78,583,627,435,671,968/336,901,297.80 - Step 6: Final answer
x = 233,254,154.70
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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.