Finding the Fourth Proportional to 866,585,160.74, 1,195,887,521.79 and 495,315,163.73
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Solution
The fourth proportional to 866,585,160.74, 1,195,887,521.79 and 495,315,163.73 is: 683,534,925.93
Step by Step Solution
- Step 1: Write the proportion equation
866,585,160.74 : 1,195,887,521.79 = 495,315,163.73 : x - Step 2: Convert to fraction form
866,585,160.74/1,195,887,521.79 = 495,315,163.73/x - Step 3: Cross multiply
866,585,160.74x = 1,195,887,521.79 × 495,315,163.73 - Step 4: Simplify right side
866,585,160.74x = 592,341,223,658,077,824 - Step 5: Solve for x
x = 592,341,223,658,077,824/866,585,160.74 - Step 6: Final answer
x = 683,534,925.93
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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.