Finding the Fourth Proportional to 1,534,602,504.96, 2,117,664,505.74 and 865,507,558.74
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Solution
The fourth proportional to 1,534,602,504.96, 2,117,664,505.74 and 865,507,558.74 is: 1,194,351,391.11
Step by Step Solution
- Step 1: Write the proportion equation
1,534,602,504.96 : 2,117,664,505.74 = 865,507,558.74 : x - Step 2: Convert to fraction form
1,534,602,504.96/2,117,664,505.74 = 865,507,558.74/x - Step 3: Cross multiply
1,534,602,504.96x = 2,117,664,505.74 × 865,507,558.74 - Step 4: Simplify right side
1,534,602,504.96x = 1,832,854,636,593,376,256 - Step 5: Solve for x
x = 1,832,854,636,593,376,256/1,534,602,504.96 - Step 6: Final answer
x = 1,194,351,391.11
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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.