Finding the Fourth Proportional to 1,107,078,423.10, 1,527,770,974.40 and 605,319,587.98
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Solution
The fourth proportional to 1,107,078,423.10, 1,527,770,974.40 and 605,319,587.98 is: 835,342,535.32
Step by Step Solution
- Step 1: Write the proportion equation
1,107,078,423.10 : 1,527,770,974.40 = 605,319,587.98 : x - Step 2: Convert to fraction form
1,107,078,423.10/1,527,770,974.40 = 605,319,587.98/x - Step 3: Cross multiply
1,107,078,423.10x = 1,527,770,974.40 × 605,319,587.98 - Step 4: Simplify right side
1,107,078,423.10x = 924,789,696,748,584,576 - Step 5: Solve for x
x = 924,789,696,748,584,576/1,107,078,423.10 - Step 6: Final answer
x = 835,342,535.32
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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.