Finding the Fourth Proportional to 432,930,448.20, 649,487,558.70 and 141,776,064.84
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Solution
The fourth proportional to 432,930,448.20, 649,487,558.70 and 141,776,064.84 is: 212,694,188.22
Step by Step Solution
- Step 1: Write the proportion equation
432,930,448.20 : 649,487,558.70 = 141,776,064.84 : x - Step 2: Convert to fraction form
432,930,448.20/649,487,558.70 = 141,776,064.84/x - Step 3: Cross multiply
432,930,448.20x = 649,487,558.70 × 141,776,064.84 - Step 4: Simplify right side
432,930,448.20x = 92,081,790,235,024,512 - Step 5: Solve for x
x = 92,081,790,235,024,512/432,930,448.20 - Step 6: Final answer
x = 212,694,188.22
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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.