Finding the Fourth Proportional to 495,044,336.64, 683,121,191.04 and 286,213,937.28
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Solution
The fourth proportional to 495,044,336.64, 683,121,191.04 and 286,213,937.28 is: 394,952,110.86
Step by Step Solution
- Step 1: Write the proportion equation
495,044,336.64 : 683,121,191.04 = 286,213,937.28 : x - Step 2: Convert to fraction form
495,044,336.64/683,121,191.04 = 286,213,937.28/x - Step 3: Cross multiply
495,044,336.64x = 683,121,191.04 × 286,213,937.28 - Step 4: Simplify right side
495,044,336.64x = 195,518,805,726,961,440 - Step 5: Solve for x
x = 195,518,805,726,961,440/495,044,336.64 - Step 6: Final answer
x = 394,952,110.86
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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.