Finding the Fourth Proportional to 495,044,284.64, 683,121,119.20 and 286,213,885.12
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Solution
The fourth proportional to 495,044,284.64, 683,121,119.20 and 286,213,885.12 is: 394,952,038.84
Step by Step Solution
- Step 1: Write the proportion equation
495,044,284.64 : 683,121,119.20 = 286,213,885.12 : x - Step 2: Convert to fraction form
495,044,284.64/683,121,119.20 = 286,213,885.12/x - Step 3: Cross multiply
495,044,284.64x = 683,121,119.20 × 286,213,885.12 - Step 4: Simplify right side
495,044,284.64x = 195,518,749,533,754,656 - Step 5: Solve for x
x = 195,518,749,533,754,656/495,044,284.64 - Step 6: Final answer
x = 394,952,038.84
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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.