Finding the Fourth Proportional to 964,541,239.68, 1,331,026,729.92 and 546,881,756.16
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Solution
The fourth proportional to 964,541,239.68, 1,331,026,729.92 and 546,881,756.16 is: 754,674,041.51
Step by Step Solution
- Step 1: Write the proportion equation
964,541,239.68 : 1,331,026,729.92 = 546,881,756.16 : x - Step 2: Convert to fraction form
964,541,239.68/1,331,026,729.92 = 546,881,756.16/x - Step 3: Cross multiply
964,541,239.68x = 1,331,026,729.92 × 546,881,756.16 - Step 4: Simplify right side
964,541,239.68x = 727,914,235,554,551,552 - Step 5: Solve for x
x = 727,914,235,554,551,552/964,541,239.68 - Step 6: Final answer
x = 754,674,041.51
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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.