Finding the Fourth Proportional to 302,384,643.88, 453,208,474.12 and 156,737,908.84
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Solution
The fourth proportional to 302,384,643.88, 453,208,474.12 and 156,737,908.84 is: 234,915,859.45
Step by Step Solution
- Step 1: Write the proportion equation
302,384,643.88 : 453,208,474.12 = 156,737,908.84 : x - Step 2: Convert to fraction form
302,384,643.88/453,208,474.12 = 156,737,908.84/x - Step 3: Cross multiply
302,384,643.88x = 453,208,474.12 × 156,737,908.84 - Step 4: Simplify right side
302,384,643.88x = 71,034,948,502,136,064 - Step 5: Solve for x
x = 71,034,948,502,136,064/302,384,643.88 - Step 6: Final answer
x = 234,915,859.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.