Finding the Fourth Proportional to 369,215,421.88, 553,824,070.94 and 150,865,764.44
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Solution
The fourth proportional to 369,215,421.88, 553,824,070.94 and 150,865,764.44 is: 226,299,029.99
Step by Step Solution
- Step 1: Write the proportion equation
369,215,421.88 : 553,824,070.94 = 150,865,764.44 : x - Step 2: Convert to fraction form
369,215,421.88/553,824,070.94 = 150,865,764.44/x - Step 3: Cross multiply
369,215,421.88x = 553,824,070.94 × 150,865,764.44 - Step 4: Simplify right side
369,215,421.88x = 83,553,091,827,635,904 - Step 5: Solve for x
x = 83,553,091,827,635,904/369,215,421.88 - Step 6: Final answer
x = 226,299,029.99
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1.5x scale
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.