Finding the Fourth Proportional to 437,012,263.80, 655,518,395.70 and 113,896,135.80
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Solution
The fourth proportional to 437,012,263.80, 655,518,395.70 and 113,896,135.80 is: 170,844,203.70
Step by Step Solution
- Step 1: Write the proportion equation
437,012,263.80 : 655,518,395.70 = 113,896,135.80 : x - Step 2: Convert to fraction form
437,012,263.80/655,518,395.70 = 113,896,135.80/x - Step 3: Cross multiply
437,012,263.80x = 655,518,395.70 × 113,896,135.80 - Step 4: Simplify right side
437,012,263.80x = 74,661,012,216,045,344 - Step 5: Solve for x
x = 74,661,012,216,045,344/437,012,263.80 - Step 6: Final answer
x = 170,844,203.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.