Finding the Fourth Proportional to 767,125,234,139.75, 1,058,639,424,880.60 and 437,544,966,465.12
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Solution
The fourth proportional to 767,125,234,139.75, 1,058,639,424,880.60 and 437,544,966,465.12 is: 603,815,819,169.95
Step by Step Solution
- Step 1: Write the proportion equation
767,125,234,139.75 : 1,058,639,424,880.60 = 437,544,966,465.12 : x - Step 2: Convert to fraction form
767,125,234,139.75/1,058,639,424,880.60 = 437,544,966,465.12/x - Step 3: Cross multiply
767,125,234,139.75x = 1,058,639,424,880.60 × 437,544,966,465.12 - Step 4: Simplify right side
767,125,234,139.75x = 463,202,351,658,036,025,622,528 - Step 5: Solve for x
x = 463,202,351,658,036,025,622,528/767,125,234,139.75 - Step 6: Final answer
x = 603,815,819,169.95
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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.