Finding the Fourth Proportional to 747,287,116.76, 1,031,256,181.74 and 403,569,243.79
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Solution
The fourth proportional to 747,287,116.76, 1,031,256,181.74 and 403,569,243.79 is: 556,925,535.16
Step by Step Solution
- Step 1: Write the proportion equation
747,287,116.76 : 1,031,256,181.74 = 403,569,243.79 : x - Step 2: Convert to fraction form
747,287,116.76/1,031,256,181.74 = 403,569,243.79/x - Step 3: Cross multiply
747,287,116.76x = 1,031,256,181.74 × 403,569,243.79 - Step 4: Simplify right side
747,287,116.76x = 416,183,277,418,574,656 - Step 5: Solve for x
x = 416,183,277,418,574,656/747,287,116.76 - Step 6: Final answer
x = 556,925,535.16
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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.