Finding the Fourth Proportional to 712,379,920,203.80, 1,068,569,880,305.70 and 712,379,920,203.80
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Solution
The fourth proportional to 712,379,920,203.80, 1,068,569,880,305.70 and 712,379,920,203.80 is: 1,068,569,880,305.70
Step by Step Solution
- Step 1: Write the proportion equation
712,379,920,203.80 : 1,068,569,880,305.70 = 712,379,920,203.80 : x - Step 2: Convert to fraction form
712,379,920,203.80/1,068,569,880,305.70 = 712,379,920,203.80/x - Step 3: Cross multiply
712,379,920,203.80x = 1,068,569,880,305.70 × 712,379,920,203.80 - Step 4: Simplify right side
712,379,920,203.80x = 761,227,726,064,358,705,332,224 - Step 5: Solve for x
x = 761,227,726,064,358,705,332,224/712,379,920,203.80 - Step 6: Final answer
x = 1,068,569,880,305.70
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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.