Finding the Fourth Proportional to 571,021,115.34, 855,927,149.29 and 192,072,603.08
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Solution
The fourth proportional to 571,021,115.34, 855,927,149.29 and 192,072,603.08 is: 287,905,562.85
Step by Step Solution
- Step 1: Write the proportion equation
571,021,115.34 : 855,927,149.29 = 192,072,603.08 : x - Step 2: Convert to fraction form
571,021,115.34/855,927,149.29 = 192,072,603.08/x - Step 3: Cross multiply
571,021,115.34x = 855,927,149.29 × 192,072,603.08 - Step 4: Simplify right side
571,021,115.34x = 164,400,155,611,808,096 - Step 5: Solve for x
x = 164,400,155,611,808,096/571,021,115.34 - Step 6: Final answer
x = 287,905,562.85
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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.