Finding the Fourth Proportional to 7,255,503,254.28, 10,007,436,773.58 and 4,842,969,370.05
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Solution
The fourth proportional to 7,255,503,254.28, 10,007,436,773.58 and 4,842,969,370.05 is: 6,679,855,010.55
Step by Step Solution
- Step 1: Write the proportion equation
7,255,503,254.28 : 10,007,436,773.58 = 4,842,969,370.05 : x - Step 2: Convert to fraction form
7,255,503,254.28/10,007,436,773.58 = 4,842,969,370.05/x - Step 3: Cross multiply
7,255,503,254.28x = 10,007,436,773.58 × 4,842,969,370.05 - Step 4: Simplify right side
7,255,503,254.28x = 48,465,709,767,159,939,072 - Step 5: Solve for x
x = 48,465,709,767,159,939,072/7,255,503,254.28 - Step 6: Final answer
x = 6,679,855,010.55
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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.