Finding the Fourth Proportional to 818,586,931,948.08, 1,129,574,156,825.50 and 452,773,261,905.12
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Solution
The fourth proportional to 818,586,931,948.08, 1,129,574,156,825.50 and 452,773,261,905.12 is: 624,785,170,137.61
Step by Step Solution
- Step 1: Write the proportion equation
818,586,931,948.08 : 1,129,574,156,825.50 = 452,773,261,905.12 : x - Step 2: Convert to fraction form
818,586,931,948.08/1,129,574,156,825.50 = 452,773,261,905.12/x - Step 3: Cross multiply
818,586,931,948.08x = 1,129,574,156,825.50 × 452,773,261,905.12 - Step 4: Simplify right side
818,586,931,948.08x = 511,440,975,549,607,213,793,280 - Step 5: Solve for x
x = 511,440,975,549,607,213,793,280/818,586,931,948.08 - Step 6: Final answer
x = 624,785,170,137.61
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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.