Finding the Fourth Proportional to 747,287,114.76, 1,031,256,178.98 and 403,569,241.79
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Solution
The fourth proportional to 747,287,114.76, 1,031,256,178.98 and 403,569,241.79 is: 556,925,532.40
Step by Step Solution
- Step 1: Write the proportion equation
747,287,114.76 : 1,031,256,178.98 = 403,569,241.79 : x - Step 2: Convert to fraction form
747,287,114.76/1,031,256,178.98 = 403,569,241.79/x - Step 3: Cross multiply
747,287,114.76x = 1,031,256,178.98 × 403,569,241.79 - Step 4: Simplify right side
747,287,114.76x = 416,183,274,244,789,312 - Step 5: Solve for x
x = 416,183,274,244,789,312/747,287,114.76 - Step 6: Final answer
x = 556,925,532.40
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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.