Finding the Fourth Proportional to 442,912,201.45, 664,368,302.18 and 184,631,875.45
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Solution
The fourth proportional to 442,912,201.45, 664,368,302.18 and 184,631,875.45 is: 276,947,813.18
Step by Step Solution
- Step 1: Write the proportion equation
442,912,201.45 : 664,368,302.18 = 184,631,875.45 : x - Step 2: Convert to fraction form
442,912,201.45/664,368,302.18 = 184,631,875.45/x - Step 3: Cross multiply
442,912,201.45x = 664,368,302.18 × 184,631,875.45 - Step 4: Simplify right side
442,912,201.45x = 122,663,565,621,025,712 - Step 5: Solve for x
x = 122,663,565,621,025,712/442,912,201.45 - Step 6: Final answer
x = 276,947,813.18
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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.