Finding the Fourth Proportional to 448,063,184.64, 617,916,276.74 and 307,139,203.20
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Solution
The fourth proportional to 448,063,184.64, 617,916,276.74 and 307,139,203.20 is: 423,570,423.52
Step by Step Solution
- Step 1: Write the proportion equation
448,063,184.64 : 617,916,276.74 = 307,139,203.20 : x - Step 2: Convert to fraction form
448,063,184.64/617,916,276.74 = 307,139,203.20/x - Step 3: Cross multiply
448,063,184.64x = 617,916,276.74 × 307,139,203.20 - Step 4: Simplify right side
448,063,184.64x = 189,786,312,882,234,304 - Step 5: Solve for x
x = 189,786,312,882,234,304/448,063,184.64 - Step 6: Final answer
x = 423,570,423.52
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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.