Finding the Fourth Proportional to 3,129,125,964,139.70, 4,693,688,946,209.70 and 3,129,125,964,139.70
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Solution
The fourth proportional to 3,129,125,964,139.70, 4,693,688,946,209.70 and 3,129,125,964,139.70 is: 4,693,688,946,209.70
Step by Step Solution
- Step 1: Write the proportion equation
3,129,125,964,139.70 : 4,693,688,946,209.70 = 3,129,125,964,139.70 : x - Step 2: Convert to fraction form
3,129,125,964,139.70/4,693,688,946,209.70 = 3,129,125,964,139.70/x - Step 3: Cross multiply
3,129,125,964,139.70x = 4,693,688,946,209.70 × 3,129,125,964,139.70 - Step 4: Simplify right side
3,129,125,964,139.70x = 14,687,143,949,180,280,948,916,224 - Step 5: Solve for x
x = 14,687,143,949,180,280,948,916,224/3,129,125,964,139.70 - Step 6: Final answer
x = 4,693,688,946,209.70
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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.