Finding the Fourth Proportional to 314,929,553.70, 472,394,330.55 and 283,184,811.30
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Solution
The fourth proportional to 314,929,553.70, 472,394,330.55 and 283,184,811.30 is: 424,777,216.95
Step by Step Solution
- Step 1: Write the proportion equation
314,929,553.70 : 472,394,330.55 = 283,184,811.30 : x - Step 2: Convert to fraction form
314,929,553.70/472,394,330.55 = 283,184,811.30/x - Step 3: Cross multiply
314,929,553.70x = 472,394,330.55 × 283,184,811.30 - Step 4: Simplify right side
314,929,553.70x = 133,774,899,355,991,584 - Step 5: Solve for x
x = 133,774,899,355,991,584/314,929,553.70 - Step 6: Final answer
x = 424,777,216.95
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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.