Finding the Fourth Proportional to 257,882,453.30, 386,823,679.95 and 242,753,467.70
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Solution
The fourth proportional to 257,882,453.30, 386,823,679.95 and 242,753,467.70 is: 364,130,201.55
Step by Step Solution
- Step 1: Write the proportion equation
257,882,453.30 : 386,823,679.95 = 242,753,467.70 : x - Step 2: Convert to fraction form
257,882,453.30/386,823,679.95 = 242,753,467.70/x - Step 3: Cross multiply
257,882,453.30x = 386,823,679.95 × 242,753,467.70 - Step 4: Simplify right side
257,882,453.30x = 93,902,789,696,337,456 - Step 5: Solve for x
x = 93,902,789,696,337,456/257,882,453.30 - Step 6: Final answer
x = 364,130,201.55
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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.