Finding the Fourth Proportional to 1,469,712,959.70, 2,204,569,439.55 and 1,106,915,903.70
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Solution
The fourth proportional to 1,469,712,959.70, 2,204,569,439.55 and 1,106,915,903.70 is: 1,660,373,855.55
Step by Step Solution
- Step 1: Write the proportion equation
1,469,712,959.70 : 2,204,569,439.55 = 1,106,915,903.70 : x - Step 2: Convert to fraction form
1,469,712,959.70/2,204,569,439.55 = 1,106,915,903.70/x - Step 3: Cross multiply
1,469,712,959.70x = 2,204,569,439.55 × 1,106,915,903.70 - Step 4: Simplify right side
1,469,712,959.70x = 2,440,272,973,448,890,880 - Step 5: Solve for x
x = 2,440,272,973,448,890,880/1,469,712,959.70 - Step 6: Final answer
x = 1,660,373,855.55
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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.