Finding the Fourth Proportional to 703,509,452.79, 1,055,264,211.98 and 481,962,328.71
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Solution
The fourth proportional to 703,509,452.79, 1,055,264,211.98 and 481,962,328.71 is: 722,943,515.53
Step by Step Solution
- Step 1: Write the proportion equation
703,509,452.79 : 1,055,264,211.98 = 481,962,328.71 : x - Step 2: Convert to fraction form
703,509,452.79/1,055,264,211.98 = 481,962,328.71/x - Step 3: Cross multiply
703,509,452.79x = 1,055,264,211.98 × 481,962,328.71 - Step 4: Simplify right side
703,509,452.79x = 508,597,597,010,203,840 - Step 5: Solve for x
x = 508,597,597,010,203,840/703,509,452.79 - Step 6: Final answer
x = 722,943,515.53
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1.5x scale
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.