Finding the Fourth Proportional to 4,991,209,332.30, 6,888,084,111.36 and 2,763,541,717.38
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Solution
The fourth proportional to 4,991,209,332.30, 6,888,084,111.36 and 2,763,541,717.38 is: 3,813,806,740.46
Step by Step Solution
- Step 1: Write the proportion equation
4,991,209,332.30 : 6,888,084,111.36 = 2,763,541,717.38 : x - Step 2: Convert to fraction form
4,991,209,332.30/6,888,084,111.36 = 2,763,541,717.38/x - Step 3: Cross multiply
4,991,209,332.30x = 6,888,084,111.36 × 2,763,541,717.38 - Step 4: Simplify right side
4,991,209,332.30x = 19,035,507,794,565,705,728 - Step 5: Solve for x
x = 19,035,507,794,565,705,728/4,991,209,332.30 - Step 6: Final answer
x = 3,813,806,740.46
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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.