Finding the Fourth Proportional to 1,265,555,588.23, 1,746,466,104.31 and 756,918,292.65
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Solution
The fourth proportional to 1,265,555,588.23, 1,746,466,104.31 and 756,918,292.65 is: 1,044,546,880.55
Step by Step Solution
- Step 1: Write the proportion equation
1,265,555,588.23 : 1,746,466,104.31 = 756,918,292.65 : x - Step 2: Convert to fraction form
1,265,555,588.23/1,746,466,104.31 = 756,918,292.65/x - Step 3: Cross multiply
1,265,555,588.23x = 1,746,466,104.31 × 756,918,292.65 - Step 4: Simplify right side
1,265,555,588.23x = 1,321,932,141,851,127,552 - Step 5: Solve for x
x = 1,321,932,141,851,127,552/1,265,555,588.23 - Step 6: Final answer
x = 1,044,546,880.55
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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.