Finding the Fourth Proportional to 3,783,411,220.92, 5,221,266,103.19 and 2,175,867,470.96
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Solution
The fourth proportional to 3,783,411,220.92, 5,221,266,103.19 and 2,175,867,470.96 is: 3,002,788,332.48
Step by Step Solution
- Step 1: Write the proportion equation
3,783,411,220.92 : 5,221,266,103.19 = 2,175,867,470.96 : x - Step 2: Convert to fraction form
3,783,411,220.92/5,221,266,103.19 = 2,175,867,470.96/x - Step 3: Cross multiply
3,783,411,220.92x = 5,221,266,103.19 × 2,175,867,470.96 - Step 4: Simplify right side
3,783,411,220.92x = 11,360,783,071,151,806,464 - Step 5: Solve for x
x = 11,360,783,071,151,806,464/3,783,411,220.92 - Step 6: Final answer
x = 3,002,788,332.48
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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.