Finding the Fourth Proportional to 324,063,511,916.54, 485,906,846,547.16 and 122,620,808,462.71
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Solution
The fourth proportional to 324,063,511,916.54, 485,906,846,547.16 and 122,620,808,462.71 is: 183,859,916,868.78
Step by Step Solution
- Step 1: Write the proportion equation
324,063,511,916.54 : 485,906,846,547.16 = 122,620,808,462.71 : x - Step 2: Convert to fraction form
324,063,511,916.54/485,906,846,547.16 = 122,620,808,462.71/x - Step 3: Cross multiply
324,063,511,916.54x = 485,906,846,547.16 × 122,620,808,462.71 - Step 4: Simplify right side
324,063,511,916.54x = 59,582,290,361,178,730,266,624 - Step 5: Solve for x
x = 59,582,290,361,178,730,266,624/324,063,511,916.54 - Step 6: Final answer
x = 183,859,916,868.78
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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.