Finding the Fourth Proportional to 2,007,921,309.99, 2,770,998,698.06 and 1,115,885,634.06
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Solution
The fourth proportional to 2,007,921,309.99, 2,770,998,698.06 and 1,115,885,634.06 is: 1,539,959,571.02
Step by Step Solution
- Step 1: Write the proportion equation
2,007,921,309.99 : 2,770,998,698.06 = 1,115,885,634.06 : x - Step 2: Convert to fraction form
2,007,921,309.99/2,770,998,698.06 = 1,115,885,634.06/x - Step 3: Cross multiply
2,007,921,309.99x = 2,770,998,698.06 × 1,115,885,634.06 - Step 4: Simplify right side
2,007,921,309.99x = 3,092,117,639,173,308,928 - Step 5: Solve for x
x = 3,092,117,639,173,308,928/2,007,921,309.99 - Step 6: Final answer
x = 1,539,959,571.02
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1.5x scale
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.