Finding the Fourth Proportional to 712,407,133,348.08, 983,122,477,512.90 and 387,246,425,160.98
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Solution
The fourth proportional to 712,407,133,348.08, 983,122,477,512.90 and 387,246,425,160.98 is: 534,400,411,072.61
Step by Step Solution
- Step 1: Write the proportion equation
712,407,133,348.08 : 983,122,477,512.90 = 387,246,425,160.98 : x - Step 2: Convert to fraction form
712,407,133,348.08/983,122,477,512.90 = 387,246,425,160.98/x - Step 3: Cross multiply
712,407,133,348.08x = 983,122,477,512.90 × 387,246,425,160.98 - Step 4: Simplify right side
712,407,133,348.08x = 380,710,664,912,276,492,910,592 - Step 5: Solve for x
x = 380,710,664,912,276,492,910,592/712,407,133,348.08 - Step 6: Final answer
x = 534,400,411,072.61
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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.