Finding the Fourth Proportional to 455,026,204.53, 627,935,949.68 and 256,829,269.41
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Solution
The fourth proportional to 455,026,204.53, 627,935,949.68 and 256,829,269.41 is: 354,424,271.80
Step by Step Solution
- Step 1: Write the proportion equation
455,026,204.53 : 627,935,949.68 = 256,829,269.41 : x - Step 2: Convert to fraction form
455,026,204.53/627,935,949.68 = 256,829,269.41/x - Step 3: Cross multiply
455,026,204.53x = 627,935,949.68 × 256,829,269.41 - Step 4: Simplify right side
455,026,204.53x = 161,272,331,191,304,768 - Step 5: Solve for x
x = 161,272,331,191,304,768/455,026,204.53 - Step 6: Final answer
x = 354,424,271.80
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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.