Finding the Fourth Proportional to 547,657,150.19, 755,683,278.66 and 309,415,405.68
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Solution
The fourth proportional to 547,657,150.19, 755,683,278.66 and 309,415,405.68 is: 426,946,033.94
Step by Step Solution
- Step 1: Write the proportion equation
547,657,150.19 : 755,683,278.66 = 309,415,405.68 : x - Step 2: Convert to fraction form
547,657,150.19/755,683,278.66 = 309,415,405.68/x - Step 3: Cross multiply
547,657,150.19x = 755,683,278.66 × 309,415,405.68 - Step 4: Simplify right side
547,657,150.19x = 233,820,048,232,176,384 - Step 5: Solve for x
x = 233,820,048,232,176,384/547,657,150.19 - Step 6: Final answer
x = 426,946,033.94
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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.