Finding the Fourth Proportional to 293,675,477.20, 440,513,215.80 and 245,899,733.20
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Solution
The fourth proportional to 293,675,477.20, 440,513,215.80 and 245,899,733.20 is: 368,849,599.80
Step by Step Solution
- Step 1: Write the proportion equation
293,675,477.20 : 440,513,215.80 = 245,899,733.20 : x - Step 2: Convert to fraction form
293,675,477.20/440,513,215.80 = 245,899,733.20/x - Step 3: Cross multiply
293,675,477.20x = 440,513,215.80 × 245,899,733.20 - Step 4: Simplify right side
293,675,477.20x = 108,322,082,236,294,016 - Step 5: Solve for x
x = 108,322,082,236,294,016/293,675,477.20 - Step 6: Final answer
x = 368,849,599.80
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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.