Finding the Fourth Proportional to 878,414,559.98, 1,317,575,434.06 and 288,127,044.87
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Solution
The fourth proportional to 878,414,559.98, 1,317,575,434.06 and 288,127,044.87 is: 432,175,345.79
Step by Step Solution
- Step 1: Write the proportion equation
878,414,559.98 : 1,317,575,434.06 = 288,127,044.87 : x - Step 2: Convert to fraction form
878,414,559.98/1,317,575,434.06 = 288,127,044.87/x - Step 3: Cross multiply
878,414,559.98x = 1,317,575,434.06 × 288,127,044.87 - Step 4: Simplify right side
878,414,559.98x = 379,629,116,209,015,360 - Step 5: Solve for x
x = 379,629,116,209,015,360/878,414,559.98 - Step 6: Final answer
x = 432,175,345.79
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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.