Finding the Fourth Proportional to 6,365,239,506.33, 8,783,634,732.75 and 3,507,221,781.87
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Solution
The fourth proportional to 6,365,239,506.33, 8,783,634,732.75 and 3,507,221,781.87 is: 4,839,747,982.47
Step by Step Solution
- Step 1: Write the proportion equation
6,365,239,506.33 : 8,783,634,732.75 = 3,507,221,781.87 : x - Step 2: Convert to fraction form
6,365,239,506.33/8,783,634,732.75 = 3,507,221,781.87/x - Step 3: Cross multiply
6,365,239,506.33x = 8,783,634,732.75 × 3,507,221,781.87 - Step 4: Simplify right side
6,365,239,506.33x = 30,806,155,058,690,674,688 - Step 5: Solve for x
x = 30,806,155,058,690,674,688/6,365,239,506.33 - Step 6: Final answer
x = 4,839,747,982.47
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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.