Finding the Fourth Proportional to 755,889,310.28, 1,043,127,239.52 and 408,208,798.28
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Solution
The fourth proportional to 755,889,310.28, 1,043,127,239.52 and 408,208,798.28 is: 563,328,136.95
Step by Step Solution
- Step 1: Write the proportion equation
755,889,310.28 : 1,043,127,239.52 = 408,208,798.28 : x - Step 2: Convert to fraction form
755,889,310.28/1,043,127,239.52 = 408,208,798.28/x - Step 3: Cross multiply
755,889,310.28x = 1,043,127,239.52 × 408,208,798.28 - Step 4: Simplify right side
755,889,310.28x = 425,813,716,897,592,896 - Step 5: Solve for x
x = 425,813,716,897,592,896/755,889,310.28 - Step 6: Final answer
x = 563,328,136.95
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1.5x scale
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.