Finding the Fourth Proportional to 1,068,866,316, 1,475,011,537.92 and 622,801,903.68
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Solution
The fourth proportional to 1,068,866,316, 1,475,011,537.92 and 622,801,903.68 is: 859,452,655.60
Step by Step Solution
- Step 1: Write the proportion equation
1,068,866,316 : 1,475,011,537.92 = 622,801,903.68 : x - Step 2: Convert to fraction form
1,068,866,316/1,475,011,537.92 = 622,801,903.68/x - Step 3: Cross multiply
1,068,866,316x = 1,475,011,537.92 × 622,801,903.68 - Step 4: Simplify right side
1,068,866,316x = 918,639,993,766,540,416 - Step 5: Solve for x
x = 918,639,993,766,540,416/1,068,866,316 - Step 6: Final answer
x = 859,452,655.60
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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.