Finding the Fourth Proportional to 723,330,468.28, 1,084,995,702.42 and 212,727,204.28
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Solution
The fourth proportional to 723,330,468.28, 1,084,995,702.42 and 212,727,204.28 is: 319,090,806.42
Step by Step Solution
- Step 1: Write the proportion equation
723,330,468.28 : 1,084,995,702.42 = 212,727,204.28 : x - Step 2: Convert to fraction form
723,330,468.28/1,084,995,702.42 = 212,727,204.28/x - Step 3: Cross multiply
723,330,468.28x = 1,084,995,702.42 × 212,727,204.28 - Step 4: Simplify right side
723,330,468.28x = 230,808,102,431,621,440 - Step 5: Solve for x
x = 230,808,102,431,621,440/723,330,468.28 - Step 6: Final answer
x = 319,090,806.42
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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.