Finding the Fourth Proportional to 495,623,122.02, 683,960,257.62 and 272,621,768.76
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Solution
The fourth proportional to 495,623,122.02, 683,960,257.62 and 272,621,768.76 is: 376,218,232.99
Step by Step Solution
- Step 1: Write the proportion equation
495,623,122.02 : 683,960,257.62 = 272,621,768.76 : x - Step 2: Convert to fraction form
495,623,122.02/683,960,257.62 = 272,621,768.76/x - Step 3: Cross multiply
495,623,122.02x = 683,960,257.62 × 272,621,768.76 - Step 4: Simplify right side
495,623,122.02x = 186,462,455,193,909,664 - Step 5: Solve for x
x = 186,462,455,193,909,664/495,623,122.02 - Step 6: Final answer
x = 376,218,232.99
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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.