Finding the Fourth Proportional to 1,127,012,614.97, 1,555,279,238.29 and 625,221,411.62
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Solution
The fourth proportional to 1,127,012,614.97, 1,555,279,238.29 and 625,221,411.62 is: 862,806,563.04
Step by Step Solution
- Step 1: Write the proportion equation
1,127,012,614.97 : 1,555,279,238.29 = 625,221,411.62 : x - Step 2: Convert to fraction form
1,127,012,614.97/1,555,279,238.29 = 625,221,411.62/x - Step 3: Cross multiply
1,127,012,614.97x = 1,555,279,238.29 × 625,221,411.62 - Step 4: Simplify right side
1,127,012,614.97x = 972,393,880,819,175,808 - Step 5: Solve for x
x = 972,393,880,819,175,808/1,127,012,614.97 - Step 6: Final answer
x = 862,806,563.04
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1.5x scale
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.