Finding the Fourth Proportional to 276,299,882.09, 381,465,915.36 and 175,884,977.03
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Solution
The fourth proportional to 276,299,882.09, 381,465,915.36 and 175,884,977.03 is: 242,830,808.52
Step by Step Solution
- Step 1: Write the proportion equation
276,299,882.09 : 381,465,915.36 = 175,884,977.03 : x - Step 2: Convert to fraction form
276,299,882.09/381,465,915.36 = 175,884,977.03/x - Step 3: Cross multiply
276,299,882.09x = 381,465,915.36 × 175,884,977.03 - Step 4: Simplify right side
276,299,882.09x = 67,094,123,760,821,528 - Step 5: Solve for x
x = 67,094,123,760,821,528/276,299,882.09 - Step 6: Final answer
x = 242,830,808.52
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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.