Finding the Fourth Proportional to 12,242,316,931,644, 18,366,054,438,621 and 3,971,295,171,261.80
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Solution
The fourth proportional to 12,242,316,931,644, 18,366,054,438,621 and 3,971,295,171,261.80 is: 5,957,779,374,155.80
Step by Step Solution
- Step 1: Write the proportion equation
12,242,316,931,644 : 18,366,054,438,621 = 3,971,295,171,261.80 : x - Step 2: Convert to fraction form
12,242,316,931,644/18,366,054,438,621 = 3,971,295,171,261.80/x - Step 3: Cross multiply
12,242,316,931,644x = 18,366,054,438,621 × 3,971,295,171,261.80 - Step 4: Simplify right side
12,242,316,931,644x = 72,937,023,307,226,925,609,517,056 - Step 5: Solve for x
x = 72,937,023,307,226,925,609,517,056/12,242,316,931,644 - Step 6: Final answer
x = 5,957,779,374,155.80
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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.