Finding the Fourth Proportional to 1,352,228,888.95, 1,866,074,451.48 and 757,517,559.55
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Solution
The fourth proportional to 1,352,228,888.95, 1,866,074,451.48 and 757,517,559.55 is: 1,045,373,439.35
Step by Step Solution
- Step 1: Write the proportion equation
1,352,228,888.95 : 1,866,074,451.48 = 757,517,559.55 : x - Step 2: Convert to fraction form
1,352,228,888.95/1,866,074,451.48 = 757,517,559.55/x - Step 3: Cross multiply
1,352,228,888.95x = 1,866,074,451.48 × 757,517,559.55 - Step 4: Simplify right side
1,352,228,888.95x = 1,413,584,164,423,734,528 - Step 5: Solve for x
x = 1,413,584,164,423,734,528/1,352,228,888.95 - Step 6: Final answer
x = 1,045,373,439.35
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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.