Finding the Fourth Proportional to 477,492,149.97, 716,238,178.79 and 132,445,791.99
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Solution
The fourth proportional to 477,492,149.97, 716,238,178.79 and 132,445,791.99 is: 198,668,675.18
Step by Step Solution
- Step 1: Write the proportion equation
477,492,149.97 : 716,238,178.79 = 132,445,791.99 : x - Step 2: Convert to fraction form
477,492,149.97/716,238,178.79 = 132,445,791.99/x - Step 3: Cross multiply
477,492,149.97x = 716,238,178.79 × 132,445,791.99 - Step 4: Simplify right side
477,492,149.97x = 94,862,732,842,654,528 - Step 5: Solve for x
x = 94,862,732,842,654,528/477,492,149.97 - Step 6: Final answer
x = 198,668,675.18
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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.