Finding the Fourth Proportional to 1,232,963,373.96, 1,701,736,642.26 and 731,450,529.32
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Solution
The fourth proportional to 1,232,963,373.96, 1,701,736,642.26 and 731,450,529.32 is: 1,009,548,372.67
Step by Step Solution
- Step 1: Write the proportion equation
1,232,963,373.96 : 1,701,736,642.26 = 731,450,529.32 : x - Step 2: Convert to fraction form
1,232,963,373.96/1,701,736,642.26 = 731,450,529.32/x - Step 3: Cross multiply
1,232,963,373.96x = 1,701,736,642.26 × 731,450,529.32 - Step 4: Simplify right side
1,232,963,373.96x = 1,244,736,167,744,316,672 - Step 5: Solve for x
x = 1,244,736,167,744,316,672/1,232,963,373.96 - Step 6: Final answer
x = 1,009,548,372.67
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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.