Finding the Fourth Proportional to 1,259,712,529.84, 1,738,400,724.84 and 702,762,361.84
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Solution
The fourth proportional to 1,259,712,529.84, 1,738,400,724.84 and 702,762,361.84 is: 969,810,627.64
Step by Step Solution
- Step 1: Write the proportion equation
1,259,712,529.84 : 1,738,400,724.84 = 702,762,361.84 : x - Step 2: Convert to fraction form
1,259,712,529.84/1,738,400,724.84 = 702,762,361.84/x - Step 3: Cross multiply
1,259,712,529.84x = 1,738,400,724.84 × 702,762,361.84 - Step 4: Simplify right side
1,259,712,529.84x = 1,221,682,599,212,926,464 - Step 5: Solve for x
x = 1,221,682,599,212,926,464/1,259,712,529.84 - Step 6: Final answer
x = 969,810,627.64
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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.