Finding the Fourth Proportional to 831,675,163.40, 1,246,169,052.30 and 524,417,409.80
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Solution
The fourth proportional to 831,675,163.40, 1,246,169,052.30 and 524,417,409.80 is: 785,778,841.72
Step by Step Solution
- Step 1: Write the proportion equation
831,675,163.40 : 1,246,169,052.30 = 524,417,409.80 : x - Step 2: Convert to fraction form
831,675,163.40/1,246,169,052.30 = 524,417,409.80/x - Step 3: Cross multiply
831,675,163.40x = 1,246,169,052.30 × 524,417,409.80 - Step 4: Simplify right side
831,675,163.40x = 653,512,746,580,086,784 - Step 5: Solve for x
x = 653,512,746,580,086,784/831,675,163.40 - Step 6: Final answer
x = 785,778,841.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.