Finding the Fourth Proportional to 756,702,017.80, 1,135,053,026.70 and 739,695,905.80
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Solution
The fourth proportional to 756,702,017.80, 1,135,053,026.70 and 739,695,905.80 is: 1,109,543,858.70
Step by Step Solution
- Step 1: Write the proportion equation
756,702,017.80 : 1,135,053,026.70 = 739,695,905.80 : x - Step 2: Convert to fraction form
756,702,017.80/1,135,053,026.70 = 739,695,905.80/x - Step 3: Cross multiply
756,702,017.80x = 1,135,053,026.70 × 739,695,905.80 - Step 4: Simplify right side
756,702,017.80x = 839,594,076,715,888,128 - Step 5: Solve for x
x = 839,594,076,715,888,128/756,702,017.80 - Step 6: Final answer
x = 1,109,543,858.70
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Similar ratio
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1.5x scale
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.