Finding the Fourth Proportional to 756,702,025.80, 1,135,053,038.70 and 739,695,913.80
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Solution
The fourth proportional to 756,702,025.80, 1,135,053,038.70 and 739,695,913.80 is: 1,109,543,870.70
Step by Step Solution
- Step 1: Write the proportion equation
756,702,025.80 : 1,135,053,038.70 = 739,695,913.80 : x - Step 2: Convert to fraction form
756,702,025.80/1,135,053,038.70 = 739,695,913.80/x - Step 3: Cross multiply
756,702,025.80x = 1,135,053,038.70 × 739,695,913.80 - Step 4: Simplify right side
756,702,025.80x = 839,594,094,672,663,296 - Step 5: Solve for x
x = 839,594,094,672,663,296/756,702,025.80 - Step 6: Final answer
x = 1,109,543,870.70
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Double scale
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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.