Finding the Fourth Proportional to 293,675,381.20, 440,513,071.80 and 245,899,637.20
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Solution
The fourth proportional to 293,675,381.20, 440,513,071.80 and 245,899,637.20 is: 368,849,455.80
Step by Step Solution
- Step 1: Write the proportion equation
293,675,381.20 : 440,513,071.80 = 245,899,637.20 : x - Step 2: Convert to fraction form
293,675,381.20/440,513,071.80 = 245,899,637.20/x - Step 3: Cross multiply
293,675,381.20x = 440,513,071.80 × 245,899,637.20 - Step 4: Simplify right side
293,675,381.20x = 108,322,004,537,477,552 - Step 5: Solve for x
x = 108,322,004,537,477,552/293,675,381.20 - Step 6: Final answer
x = 368,849,455.80
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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.