Finding the Fourth Proportional to 495,547,305.42, 743,161,835.66 and 163,479,677.07
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Solution
The fourth proportional to 495,547,305.42, 743,161,835.66 and 163,479,677.07 is: 245,167,021.54
Step by Step Solution
- Step 1: Write the proportion equation
495,547,305.42 : 743,161,835.66 = 163,479,677.07 : x - Step 2: Convert to fraction form
495,547,305.42/743,161,835.66 = 163,479,677.07/x - Step 3: Cross multiply
495,547,305.42x = 743,161,835.66 × 163,479,677.07 - Step 4: Simplify right side
495,547,305.42x = 121,491,856,903,627,808 - Step 5: Solve for x
x = 121,491,856,903,627,808/495,547,305.42 - Step 6: Final answer
x = 245,167,021.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.