Finding the Fourth Proportional to 432,309,106.20, 648,503,523.30 and 141,177,754.80
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Solution
The fourth proportional to 432,309,106.20, 648,503,523.30 and 141,177,754.80 is: 211,779,650.45
Step by Step Solution
- Step 1: Write the proportion equation
432,309,106.20 : 648,503,523.30 = 141,177,754.80 : x - Step 2: Convert to fraction form
432,309,106.20/648,503,523.30 = 141,177,754.80/x - Step 3: Cross multiply
432,309,106.20x = 648,503,523.30 × 141,177,754.80 - Step 4: Simplify right side
432,309,106.20x = 91,554,271,399,383,488 - Step 5: Solve for x
x = 91,554,271,399,383,488/432,309,106.20 - Step 6: Final answer
x = 211,779,650.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.