Finding the Fourth Proportional to 254,641,087,321.08, 351,405,792,991.26 and 138,900,369,224.18
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Solution
The fourth proportional to 254,641,087,321.08, 351,405,792,991.26 and 138,900,369,224.18 is: 191,683,105,454.45
Step by Step Solution
- Step 1: Write the proportion equation
254,641,087,321.08 : 351,405,792,991.26 = 138,900,369,224.18 : x - Step 2: Convert to fraction form
254,641,087,321.08/351,405,792,991.26 = 138,900,369,224.18/x - Step 3: Cross multiply
254,641,087,321.08x = 351,405,792,991.26 × 138,900,369,224.18 - Step 4: Simplify right side
254,641,087,321.08x = 48,810,394,394,001,779,195,904 - Step 5: Solve for x
x = 48,810,394,394,001,779,195,904/254,641,087,321.08 - Step 6: Final answer
x = 191,683,105,454.45
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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.