Finding the Fourth Proportional to 866,585,137.02, 1,195,887,489.09 and 495,315,139.98
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Solution
The fourth proportional to 866,585,137.02, 1,195,887,489.09 and 495,315,139.98 is: 683,534,893.17
Step by Step Solution
- Step 1: Write the proportion equation
866,585,137.02 : 1,195,887,489.09 = 495,315,139.98 : x - Step 2: Convert to fraction form
866,585,137.02/1,195,887,489.09 = 495,315,139.98/x - Step 3: Cross multiply
866,585,137.02x = 1,195,887,489.09 × 495,315,139.98 - Step 4: Simplify right side
866,585,137.02x = 592,341,179,058,944,000 - Step 5: Solve for x
x = 592,341,179,058,944,000/866,585,137.02 - Step 6: Final answer
x = 683,534,893.17
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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.