Finding the Fourth Proportional to 795,688,068.80, 1,090,096,543.95 and 765,865,866.26
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Solution
The fourth proportional to 795,688,068.80, 1,090,096,543.95 and 765,865,866.26 is: 1,049,239,980.69
Step by Step Solution
- Step 1: Write the proportion equation
795,688,068.80 : 1,090,096,543.95 = 765,865,866.26 : x - Step 2: Convert to fraction form
795,688,068.80/1,090,096,543.95 = 765,865,866.26/x - Step 3: Cross multiply
795,688,068.80x = 1,090,096,543.95 × 765,865,866.26 - Step 4: Simplify right side
795,688,068.80x = 834,867,733,933,848,448 - Step 5: Solve for x
x = 834,867,733,933,848,448/795,688,068.80 - Step 6: Final answer
x = 1,049,239,980.69
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.