Finding the Fourth Proportional to 1,583,118,438.46, 2,183,795,768.06 and 987,368,627.82
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Solution
The fourth proportional to 1,583,118,438.46, 2,183,795,768.06 and 987,368,627.82 is: 1,362,002,601.06
Step by Step Solution
- Step 1: Write the proportion equation
1,583,118,438.46 : 2,183,795,768.06 = 987,368,627.82 : x - Step 2: Convert to fraction form
1,583,118,438.46/2,183,795,768.06 = 987,368,627.82/x - Step 3: Cross multiply
1,583,118,438.46x = 2,183,795,768.06 × 987,368,627.82 - Step 4: Simplify right side
1,583,118,438.46x = 2,156,211,430,961,157,376 - Step 5: Solve for x
x = 2,156,211,430,961,157,376/1,583,118,438.46 - Step 6: Final answer
x = 1,362,002,601.06
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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.