Finding the Fourth Proportional to 1,260,739,160.46, 1,739,801,880.29 and 696,247,927.36
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Solution
The fourth proportional to 1,260,739,160.46, 1,739,801,880.29 and 696,247,927.36 is: 960,812,110.19
Step by Step Solution
- Step 1: Write the proportion equation
1,260,739,160.46 : 1,739,801,880.29 = 696,247,927.36 : x - Step 2: Convert to fraction form
1,260,739,160.46/1,739,801,880.29 = 696,247,927.36/x - Step 3: Cross multiply
1,260,739,160.46x = 1,739,801,880.29 × 696,247,927.36 - Step 4: Simplify right side
1,260,739,160.46x = 1,211,333,453,166,334,464 - Step 5: Solve for x
x = 1,211,333,453,166,334,464/1,260,739,160.46 - Step 6: Final answer
x = 960,812,110.19
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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.