Finding the Fourth Proportional to 608,715,042, 840,028,857.48 and 330,257,803.92
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Solution
The fourth proportional to 608,715,042, 840,028,857.48 and 330,257,803.92 is: 455,756,908.50
Step by Step Solution
- Step 1: Write the proportion equation
608,715,042 : 840,028,857.48 = 330,257,803.92 : x - Step 2: Convert to fraction form
608,715,042/840,028,857.48 = 330,257,803.92/x - Step 3: Cross multiply
608,715,042x = 840,028,857.48 × 330,257,803.92 - Step 4: Simplify right side
608,715,042x = 277,426,085,700,771,488 - Step 5: Solve for x
x = 277,426,085,700,771,488/608,715,042 - Step 6: Final answer
x = 455,756,908.50
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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.