Finding the Fourth Proportional to 2,511,631,911.03, 3,768,015,448.41 and 830,913,455.64
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Solution
The fourth proportional to 2,511,631,911.03, 3,768,015,448.41 and 830,913,455.64 is: 1,246,557,954.37
Step by Step Solution
- Step 1: Write the proportion equation
2,511,631,911.03 : 3,768,015,448.41 = 830,913,455.64 : x - Step 2: Convert to fraction form
2,511,631,911.03/3,768,015,448.41 = 830,913,455.64/x - Step 3: Cross multiply
2,511,631,911.03x = 3,768,015,448.41 × 830,913,455.64 - Step 4: Simplify right side
2,511,631,911.03x = 3,130,894,737,143,257,088 - Step 5: Solve for x
x = 3,130,894,737,143,257,088/2,511,631,911.03 - Step 6: Final answer
x = 1,246,557,954.37
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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.