Finding the Fourth Proportional to 395,282,889.65, 545,490,376.91 and 219,097,355.00
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Solution
The fourth proportional to 395,282,889.65, 545,490,376.91 and 219,097,355.00 is: 302,354,343.90
Step by Step Solution
- Step 1: Write the proportion equation
395,282,889.65 : 545,490,376.91 = 219,097,355.00 : x - Step 2: Convert to fraction form
395,282,889.65/545,490,376.91 = 219,097,355.00/x - Step 3: Cross multiply
395,282,889.65x = 545,490,376.91 × 219,097,355.00 - Step 4: Simplify right side
395,282,889.65x = 119,515,498,755,111,136 - Step 5: Solve for x
x = 119,515,498,755,111,136/395,282,889.65 - Step 6: Final answer
x = 302,354,343.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.