Finding the Fourth Proportional to 1,480,159,619.48, 2,220,218,507.09 and 359,691,513.44
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Solution
The fourth proportional to 1,480,159,619.48, 2,220,218,507.09 and 359,691,513.44 is: 539,532,185.89
Step by Step Solution
- Step 1: Write the proportion equation
1,480,159,619.48 : 2,220,218,507.09 = 359,691,513.44 : x - Step 2: Convert to fraction form
1,480,159,619.48/2,220,218,507.09 = 359,691,513.44/x - Step 3: Cross multiply
1,480,159,619.48x = 2,220,218,507.09 × 359,691,513.44 - Step 4: Simplify right side
1,480,159,619.48x = 798,593,754,972,497,664 - Step 5: Solve for x
x = 798,593,754,972,497,664/1,480,159,619.48 - Step 6: Final answer
x = 539,532,185.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.