Finding the Fourth Proportional to 1,366,051,366.05, 1,885,151,515.86 and 739,519,794
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Solution
The fourth proportional to 1,366,051,366.05, 1,885,151,515.86 and 739,519,794 is: 1,020,537,657.16
Step by Step Solution
- Step 1: Write the proportion equation
1,366,051,366.05 : 1,885,151,515.86 = 739,519,794 : x - Step 2: Convert to fraction form
1,366,051,366.05/1,885,151,515.86 = 739,519,794/x - Step 3: Cross multiply
1,366,051,366.05x = 1,885,151,515.86 × 739,519,794 - Step 4: Simplify right side
1,366,051,366.05x = 1,394,106,860,667,574,784 - Step 5: Solve for x
x = 1,394,106,860,667,574,784/1,366,051,366.05 - Step 6: Final answer
x = 1,020,537,657.16
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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.