Finding the Fourth Proportional to 1,508,220,365.88, 2,081,311,491.04 and 873,167,635.62
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Solution
The fourth proportional to 1,508,220,365.88, 2,081,311,491.04 and 873,167,635.62 is: 1,204,952,455.71
Step by Step Solution
- Step 1: Write the proportion equation
1,508,220,365.88 : 2,081,311,491.04 = 873,167,635.62 : x - Step 2: Convert to fraction form
1,508,220,365.88/2,081,311,491.04 = 873,167,635.62/x - Step 3: Cross multiply
1,508,220,365.88x = 2,081,311,491.04 × 873,167,635.62 - Step 4: Simplify right side
1,508,220,365.88x = 1,817,333,833,620,133,632 - Step 5: Solve for x
x = 1,817,333,833,620,133,632/1,508,220,365.88 - Step 6: Final answer
x = 1,204,952,455.71
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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.