Finding the Fourth Proportional to 1,669,686,152.99, 2,504,527,790.45 and 426,116,516.81
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Solution
The fourth proportional to 1,669,686,152.99, 2,504,527,790.45 and 426,116,516.81 is: 639,174,407.96
Step by Step Solution
- Step 1: Write the proportion equation
1,669,686,152.99 : 2,504,527,790.45 = 426,116,516.81 : x - Step 2: Convert to fraction form
1,669,686,152.99/2,504,527,790.45 = 426,116,516.81/x - Step 3: Cross multiply
1,669,686,152.99x = 2,504,527,790.45 × 426,116,516.81 - Step 4: Simplify right side
1,669,686,152.99x = 1,067,220,658,305,746,432 - Step 5: Solve for x
x = 1,067,220,658,305,746,432/1,669,686,152.99 - Step 6: Final answer
x = 639,174,407.96
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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.