Finding the Fourth Proportional to 436,394,028.47, 602,566,893.80 and 351,351,005.10
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Solution
The fourth proportional to 436,394,028.47, 602,566,893.80 and 351,351,005.10 is: 485,140,652.64
Step by Step Solution
- Step 1: Write the proportion equation
436,394,028.47 : 602,566,893.80 = 351,351,005.10 : x - Step 2: Convert to fraction form
436,394,028.47/602,566,893.80 = 351,351,005.10/x - Step 3: Cross multiply
436,394,028.47x = 602,566,893.80 × 351,351,005.10 - Step 4: Simplify right side
436,394,028.47x = 211,712,483,775,890,752 - Step 5: Solve for x
x = 211,712,483,775,890,752/436,394,028.47 - Step 6: Final answer
x = 485,140,652.64
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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.