Finding the Fourth Proportional to 2,303,712,719.92, 3,179,123,504.08 and 1,246,440,692.36
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Solution
The fourth proportional to 2,303,712,719.92, 3,179,123,504.08 and 1,246,440,692.36 is: 1,720,088,128.72
Step by Step Solution
- Step 1: Write the proportion equation
2,303,712,719.92 : 3,179,123,504.08 = 1,246,440,692.36 : x - Step 2: Convert to fraction form
2,303,712,719.92/3,179,123,504.08 = 1,246,440,692.36/x - Step 3: Cross multiply
2,303,712,719.92x = 3,179,123,504.08 × 1,246,440,692.36 - Step 4: Simplify right side
2,303,712,719.92x = 3,962,588,901,523,424,256 - Step 5: Solve for x
x = 3,962,588,901,523,424,256/2,303,712,719.92 - Step 6: Final answer
x = 1,720,088,128.72
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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.