Finding the Fourth Proportional to 425,851,218.08, 639,001,881.94 and 302,153,264.07
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Solution
The fourth proportional to 425,851,218.08, 639,001,881.94 and 302,153,264.07 is: 453,389,578.75
Step by Step Solution
- Step 1: Write the proportion equation
425,851,218.08 : 639,001,881.94 = 302,153,264.07 : x - Step 2: Convert to fraction form
425,851,218.08/639,001,881.94 = 302,153,264.07/x - Step 3: Cross multiply
425,851,218.08x = 639,001,881.94 × 302,153,264.07 - Step 4: Simplify right side
425,851,218.08x = 193,076,504,375,674,272 - Step 5: Solve for x
x = 193,076,504,375,674,272/425,851,218.08 - Step 6: Final answer
x = 453,389,578.75
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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.