Finding the Fourth Proportional to 486,034,435.35, 670,655,368.30 and 295,196,144.18
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Solution
The fourth proportional to 486,034,435.35, 670,655,368.30 and 295,196,144.18 is: 407,326,856.69
Step by Step Solution
- Step 1: Write the proportion equation
486,034,435.35 : 670,655,368.30 = 295,196,144.18 : x - Step 2: Convert to fraction form
486,034,435.35/670,655,368.30 = 295,196,144.18/x - Step 3: Cross multiply
486,034,435.35x = 670,655,368.30 × 295,196,144.18 - Step 4: Simplify right side
486,034,435.35x = 197,974,878,795,777,792 - Step 5: Solve for x
x = 197,974,878,795,777,792/486,034,435.35 - Step 6: Final answer
x = 407,326,856.69
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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.