Finding the Fourth Proportional to 1,934,121,563.18, 2,669,071,712.54 and 1,087,352,660.08
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Solution
The fourth proportional to 1,934,121,563.18, 2,669,071,712.54 and 1,087,352,660.08 is: 1,500,537,650.69
Step by Step Solution
- Step 1: Write the proportion equation
1,934,121,563.18 : 2,669,071,712.54 = 1,087,352,660.08 : x - Step 2: Convert to fraction form
1,934,121,563.18/2,669,071,712.54 = 1,087,352,660.08/x - Step 3: Cross multiply
1,934,121,563.18x = 2,669,071,712.54 × 1,087,352,660.08 - Step 4: Simplify right side
1,934,121,563.18x = 2,902,222,226,561,304,576 - Step 5: Solve for x
x = 2,902,222,226,561,304,576/1,934,121,563.18 - Step 6: Final answer
x = 1,500,537,650.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.