Finding the Fourth Proportional to 1,201,103,668.35, 1,801,655,502.53 and 739,545,191.55
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Solution
The fourth proportional to 1,201,103,668.35, 1,801,655,502.53 and 739,545,191.55 is: 1,109,317,787.33
Step by Step Solution
- Step 1: Write the proportion equation
1,201,103,668.35 : 1,801,655,502.53 = 739,545,191.55 : x - Step 2: Convert to fraction form
1,201,103,668.35/1,801,655,502.53 = 739,545,191.55/x - Step 3: Cross multiply
1,201,103,668.35x = 1,801,655,502.53 × 739,545,191.55 - Step 4: Simplify right side
1,201,103,668.35x = 1,332,405,663,721,962,496 - Step 5: Solve for x
x = 1,332,405,663,721,962,496/1,201,103,668.35 - Step 6: Final answer
x = 1,109,317,787.33
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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.