Finding the Fourth Proportional to 425,851,264.08, 639,001,950.87 and 302,153,310.15
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Solution
The fourth proportional to 425,851,264.08, 639,001,950.87 and 302,153,310.15 is: 453,389,647.82
Step by Step Solution
- Step 1: Write the proportion equation
425,851,264.08 : 639,001,950.87 = 302,153,310.15 : x - Step 2: Convert to fraction form
425,851,264.08/639,001,950.87 = 302,153,310.15/x - Step 3: Cross multiply
425,851,264.08x = 639,001,950.87 × 302,153,310.15 - Step 4: Simplify right side
425,851,264.08x = 193,076,554,646,414,976 - Step 5: Solve for x
x = 193,076,554,646,414,976/425,851,264.08 - Step 6: Final answer
x = 453,389,647.82
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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.