Finding the Fourth Proportional to 403,622,428.70, 565,454,037.70 and 403,622,428.70
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Solution
The fourth proportional to 403,622,428.70, 565,454,037.70 and 403,622,428.70 is: 565,454,037.70
Step by Step Solution
- Step 1: Write the proportion equation
403,622,428.70 : 565,454,037.70 = 403,622,428.70 : x - Step 2: Convert to fraction form
403,622,428.70/565,454,037.70 = 403,622,428.70/x - Step 3: Cross multiply
403,622,428.70x = 565,454,037.70 × 403,622,428.70 - Step 4: Simplify right side
403,622,428.70x = 228,229,932,014,695,360 - Step 5: Solve for x
x = 228,229,932,014,695,360/403,622,428.70 - Step 6: Final answer
x = 565,454,037.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.