Finding the Fourth Proportional to 866,585,159.46, 1,195,887,520.08 and 495,315,162.54
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Solution
The fourth proportional to 866,585,159.46, 1,195,887,520.08 and 495,315,162.54 is: 683,534,924.32
Step by Step Solution
- Step 1: Write the proportion equation
866,585,159.46 : 1,195,887,520.08 = 495,315,162.54 : x - Step 2: Convert to fraction form
866,585,159.46/1,195,887,520.08 = 495,315,162.54/x - Step 3: Cross multiply
866,585,159.46x = 1,195,887,520.08 × 495,315,162.54 - Step 4: Simplify right side
866,585,159.46x = 592,341,221,387,982,720 - Step 5: Solve for x
x = 592,341,221,387,982,720/866,585,159.46 - Step 6: Final answer
x = 683,534,924.32
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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.