Finding the Fourth Proportional to 291,950,533.95, 402,848,398.29 and 177,318,267.99
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Solution
The fourth proportional to 291,950,533.95, 402,848,398.29 and 177,318,267.99 is: 244,672,887.84
Step by Step Solution
- Step 1: Write the proportion equation
291,950,533.95 : 402,848,398.29 = 177,318,267.99 : x - Step 2: Convert to fraction form
291,950,533.95/402,848,398.29 = 177,318,267.99/x - Step 3: Cross multiply
291,950,533.95x = 402,848,398.29 × 177,318,267.99 - Step 4: Simplify right side
291,950,533.95x = 71,432,380,247,328,488 - Step 5: Solve for x
x = 71,432,380,247,328,488/291,950,533.95 - Step 6: Final answer
x = 244,672,887.84
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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.