Finding the Fourth Proportional to 842,287,209.26, 1,263,545,788.66 and 350,885,560.19
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Solution
The fourth proportional to 842,287,209.26, 1,263,545,788.66 and 350,885,560.19 is: 526,376,237.23
Step by Step Solution
- Step 1: Write the proportion equation
842,287,209.26 : 1,263,545,788.66 = 350,885,560.19 : x - Step 2: Convert to fraction form
842,287,209.26/1,263,545,788.66 = 350,885,560.19/x - Step 3: Cross multiply
842,287,209.26x = 1,263,545,788.66 × 350,885,560.19 - Step 4: Simplify right side
842,287,209.26x = 443,359,971,872,484,544 - Step 5: Solve for x
x = 443,359,971,872,484,544/842,287,209.26 - Step 6: Final answer
x = 526,376,237.23
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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.