Finding the Fourth Proportional to 315,461,027.10, 472,768,567.58 and 245,515,715.70
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Solution
The fourth proportional to 315,461,027.10, 472,768,567.58 and 245,515,715.70 is: 367,944,383.80
Step by Step Solution
- Step 1: Write the proportion equation
315,461,027.10 : 472,768,567.58 = 245,515,715.70 : x - Step 2: Convert to fraction form
315,461,027.10/472,768,567.58 = 245,515,715.70/x - Step 3: Cross multiply
315,461,027.10x = 472,768,567.58 × 245,515,715.70 - Step 4: Simplify right side
315,461,027.10x = 116,072,113,228,639,936 - Step 5: Solve for x
x = 116,072,113,228,639,936/315,461,027.10 - Step 6: Final answer
x = 367,944,383.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.