Finding the Fourth Proportional to 299,828,468.28, 413,597,102.16 and 174,366,926.76
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Solution
The fourth proportional to 299,828,468.28, 413,597,102.16 and 174,366,926.76 is: 240,529,713.65
Step by Step Solution
- Step 1: Write the proportion equation
299,828,468.28 : 413,597,102.16 = 174,366,926.76 : x - Step 2: Convert to fraction form
299,828,468.28/413,597,102.16 = 174,366,926.76/x - Step 3: Cross multiply
299,828,468.28x = 413,597,102.16 × 174,366,926.76 - Step 4: Simplify right side
299,828,468.28x = 72,117,655,620,480,960 - Step 5: Solve for x
x = 72,117,655,620,480,960/299,828,468.28 - Step 6: Final answer
x = 240,529,713.65
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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.