Finding the Fourth Proportional to 753,366,686.10, 1,129,440,206.07 and 235,530,575.70
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Solution
The fourth proportional to 753,366,686.10, 1,129,440,206.07 and 235,530,575.70 is: 353,105,210.07
Step by Step Solution
- Step 1: Write the proportion equation
753,366,686.10 : 1,129,440,206.07 = 235,530,575.70 : x - Step 2: Convert to fraction form
753,366,686.10/1,129,440,206.07 = 235,530,575.70/x - Step 3: Cross multiply
753,366,686.10x = 1,129,440,206.07 × 235,530,575.70 - Step 4: Simplify right side
753,366,686.10x = 266,017,701,954,393,696 - Step 5: Solve for x
x = 266,017,701,954,393,696/753,366,686.10 - Step 6: Final answer
x = 353,105,210.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.